Stderr output

<core_client_version>8.0.4</core_client_version>
<![CDATA[
<message>
Unspecified error
 (0x80004005) - exit code 2147500037 (0x80004005)</message>
<stderr_txt>
2025-05-03 01:46:45 (71380): vboxwrapper version 26210
2025-05-03 01:46:45 (71380): BOINC client version: 8.0.4
2025-05-03 01:46:46 (71380): Detected: VirtualBox VboxManage Interface (Version: 7.0.6)
2025-05-03 01:46:46 (71380): Detected: Heartbeat check (file: 'heartbeat' every 1800.000000 seconds)
2025-05-03 01:46:46 (71380): Successfully copied 'init_data.xml' to the shared directory.
2025-05-03 01:46:46 (71380): Successfully copied 'input' to the shared directory.
2025-05-03 01:46:47 (71380): Create VM. (boinc_34b75359e7351dc0, slot#11)
2025-05-03 01:46:48 (71380): Setting Memory Size for VM. (630MB)
2025-05-03 01:46:49 (71380): Setting CPU Count for VM. (1)
2025-05-03 01:46:49 (71380): Setting Chipset Options for VM.
2025-05-03 01:46:49 (71380): Setting Graphics Controller Options for VM. (Driver: VBoxVGA, 16MB)
2025-05-03 01:46:50 (71380): Setting Boot Options for VM.
2025-05-03 01:46:51 (71380): Setting Network Configuration for NAT. (Driver: virtio)
2025-05-03 01:46:51 (71380): Enabling VM Network Access.
2025-05-03 01:46:52 (71380): Disabling USB Support for VM.
2025-05-03 01:46:52 (71380): Disabling COM Port Support for VM.
2025-05-03 01:46:53 (71380): Disabling LPT Port Support for VM.
2025-05-03 01:46:54 (71380): Disabling Audio Support for VM.
2025-05-03 01:46:54 (71380): Disabling Clipboard Support for VM.
2025-05-03 01:46:54 (71380): Disabling Drag and Drop Support for VM.
2025-05-03 01:46:55 (71380): Adding storage controller(s) to VM.
2025-05-03 01:46:55 (71380): Adding virtual disk drive to VM. (Theory_2025_04_17_prod.vdi)
2025-05-03 01:47:02 (71380): Attempts: 4
2025-05-03 01:47:03 (71380): Adding VirtualBox Guest Additions to VM.
2025-05-03 01:47:03 (71380): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2025-05-03 01:47:03 (71380): forwarding host port 63052 to guest port 80
2025-05-03 01:47:04 (71380): Enabling remote desktop for VM.
2025-05-03 01:47:04 (71380): Required extension pack not installed, remote desktop not enabled.
2025-05-03 01:47:04 (71380): Enabling shared directory for VM.
2025-05-03 01:47:05 (71380): Starting VM using VBoxManage interface. (boinc_34b75359e7351dc0, slot#11)
2025-05-03 01:47:09 (71380): Error in start VM for VM: -2147467259
Command:
VBoxManage -q startvm "boinc_34b75359e7351dc0" --type headless
Output:
VBoxManage.exe: error: Not in a hypervisor partition (HVP=0) (VERR_NEM_NOT_AVAILABLE).
VBoxManage.exe: error: AMD-V is disabled in the BIOS (or by the host OS) (VERR_SVM_DISABLED)
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component ConsoleWrap, interface IConsole
Waiting for VM "boinc_34b75359e7351dc0" to power on...

2025-05-03 01:47:09 (71380): VM failed to start.
2025-05-03 01:47:09 (71380): Could not start 
2025-05-03 01:47:09 (71380): ERROR: VM failed to start
2025-05-03 01:47:09 (71380): Powering off VM.
2025-05-03 01:47:09 (71380): Deregistering VM. (boinc_34b75359e7351dc0, slot#11)
2025-05-03 01:47:09 (71380): Removing network bandwidth throttle group from VM.
2025-05-03 01:47:09 (71380): Removing VM from VirtualBox.

    Hypervisor System Log:

00:00:20.562395          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:20.623910          Saving settings file "E:\BOINCdata\slots\10\boinc_33e1097cdbb7c397\boinc_33e1097cdbb7c397.vbox" with version "1.19-windows"
00:00:20.703253          Finished saving settings file "E:\BOINCdata\slots\10\boinc_33e1097cdbb7c397\boinc_33e1097cdbb7c397.vbox"
00:00:20.787821          Saving settings file "E:\BOINCdata\slots\8\boinc_211fc69bc1422fc7\boinc_211fc69bc1422fc7.vbox" with version "1.19-windows"
00:00:20.839502          Finished saving settings file "E:\BOINCdata\slots\8\boinc_211fc69bc1422fc7\boinc_211fc69bc1422fc7.vbox"
00:00:20.876761          Launched VM: 1530107888 pid: 15680 (0x3d40) frontend: headless name: boinc_096c83169c7003f1
00:00:20.927132          Saving settings file "C:\Users\Christa\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:20.929057          Finished saving settings file "C:\Users\Christa\.VirtualBox\VirtualBox.xml"
00:00:20.929248          Saving settings file "E:\BOINCdata\slots\8\boinc_211fc69bc1422fc7\boinc_211fc69bc1422fc7.vbox" with version "1.19-windows"
00:00:21.014725          Finished saving settings file "E:\BOINCdata\slots\8\boinc_211fc69bc1422fc7\boinc_211fc69bc1422fc7.vbox"
00:00:21.015739 DeleteVM Saving settings file "E:\BOINCdata\slots\8\boinc_211fc69bc1422fc7\boinc_211fc69bc1422fc7.vbox" with version "1.19-windows"
00:00:21.056196 DeleteVM Finished saving settings file "E:\BOINCdata\slots\8\boinc_211fc69bc1422fc7\boinc_211fc69bc1422fc7.vbox"
00:00:21.108832          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:21.198002          Saving settings file "E:\BOINCdata\slots\8\boinc_211fc69bc1422fc7\boinc_211fc69bc1422fc7.vbox" with version "1.19-windows"
00:00:21.235815          Finished saving settings file "E:\BOINCdata\slots\8\boinc_211fc69bc1422fc7\boinc_211fc69bc1422fc7.vbox"
00:00:21.481587          Saving settings file "C:\Users\Christa\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:21.483943          Finished saving settings file "C:\Users\Christa\.VirtualBox\VirtualBox.xml"
00:00:21.484088          Saving settings file "E:\BOINCdata\slots\9\boinc_2793c857b1d38d49\boinc_2793c857b1d38d49.vbox" with version "1.19-windows"
00:00:21.520383          Finished saving settings file "E:\BOINCdata\slots\9\boinc_2793c857b1d38d49\boinc_2793c857b1d38d49.vbox"
00:00:21.521222 DeleteVM Saving settings file "E:\BOINCdata\slots\9\boinc_2793c857b1d38d49\boinc_2793c857b1d38d49.vbox" with version "1.19-windows"
00:00:21.549086 DeleteVM Finished saving settings file "E:\BOINCdata\slots\9\boinc_2793c857b1d38d49\boinc_2793c857b1d38d49.vbox"
00:00:22.828920          Saving settings file "E:\BOINCdata\slots\9\boinc_2793c857b1d38d49\boinc_2793c857b1d38d49.vbox" with version "1.19-windows"
00:00:22.861657          Finished saving settings file "E:\BOINCdata\slots\9\boinc_2793c857b1d38d49\boinc_2793c857b1d38d49.vbox"
00:00:23.066123          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:23.148190          Saving settings file "E:\BOINCdata\slots\9\boinc_2793c857b1d38d49\boinc_2793c857b1d38d49.vbox" with version "1.19-windows"
00:00:23.186991          Finished saving settings file "E:\BOINCdata\slots\9\boinc_2793c857b1d38d49\boinc_2793c857b1d38d49.vbox"
00:00:23.421846          Saving settings file "C:\Users\Christa\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:23.424079          Finished saving settings file "C:\Users\Christa\.VirtualBox\VirtualBox.xml"
00:00:23.424242          Saving settings file "E:\BOINCdata\slots\11\boinc_34b75359e7351dc0\boinc_34b75359e7351dc0.vbox" with version "1.19-windows"
00:00:23.498725          Finished saving settings file "E:\BOINCdata\slots\11\boinc_34b75359e7351dc0\boinc_34b75359e7351dc0.vbox"
00:00:23.499739 DeleteVM Saving settings file "E:\BOINCdata\slots\11\boinc_34b75359e7351dc0\boinc_34b75359e7351dc0.vbox" with version "1.19-windows"
00:00:23.522454 DeleteVM Finished saving settings file "E:\BOINCdata\slots\11\boinc_34b75359e7351dc0\boinc_34b75359e7351dc0.vbox"
00:00:23.889239          Saving settings file "E:\BOINCdata\slots\11\boinc_34b75359e7351dc0\boinc_34b75359e7351dc0.vbox" with version "1.19-windows"
00:00:23.914069          Finished saving settings file "E:\BOINCdata\slots\11\boinc_34b75359e7351dc0\boinc_34b75359e7351dc0.vbox"
00:00:24.129902          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:24.212696          Saving settings file "E:\BOINCdata\slots\11\boinc_34b75359e7351dc0\boinc_34b75359e7351dc0.vbox" with version "1.19-windows"
00:00:24.239301          Finished saving settings file "E:\BOINCdata\slots\11\boinc_34b75359e7351dc0\boinc_34b75359e7351dc0.vbox"
00:00:24.469427          Saving settings file "E:\BOINCdata\slots\6\boinc_096c83169c7003f1\boinc_096c83169c7003f1.vbox" with version "1.19-windows"
00:00:24.505377          Finished saving settings file "E:\BOINCdata\slots\6\boinc_096c83169c7003f1\boinc_096c83169c7003f1.vbox"
00:00:24.505474          Saving settings file "C:\Users\Christa\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:24.507562          Finished saving settings file "C:\Users\Christa\.VirtualBox\VirtualBox.xml"
00:00:24.507703          Saving settings file "E:\BOINCdata\slots\6\boinc_096c83169c7003f1\boinc_096c83169c7003f1.vbox" with version "1.19-windows"
00:00:24.580825          Finished saving settings file "E:\BOINCdata\slots\6\boinc_096c83169c7003f1\boinc_096c83169c7003f1.vbox"
00:00:24.582306 DeleteVM Saving settings file "E:\BOINCdata\slots\6\boinc_096c83169c7003f1\boinc_096c83169c7003f1.vbox" with version "1.19-windows"
00:00:24.612738 DeleteVM Finished saving settings file "E:\BOINCdata\slots\6\boinc_096c83169c7003f1\boinc_096c83169c7003f1.vbox"
00:00:24.861240          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:24.941500          Saving settings file "E:\BOINCdata\slots\6\boinc_096c83169c7003f1\boinc_096c83169c7003f1.vbox" with version "1.19-windows"
00:00:24.972006          Finished saving settings file "E:\BOINCdata\slots\6\boinc_096c83169c7003f1\boinc_096c83169c7003f1.vbox"
00:00:25.224196          Saving settings file "C:\Users\Christa\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:25.226305          Finished saving settings file "C:\Users\Christa\.VirtualBox\VirtualBox.xml"
00:00:25.226364          Saving settings file "C:\Users\Christa\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:25.228289          Finished saving settings file "C:\Users\Christa\.VirtualBox\VirtualBox.xml"
00:00:25.228930 DeleteVM Saving settings file "C:\Users\Christa\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:25.230874 DeleteVM Finished saving settings file "C:\Users\Christa\.VirtualBox\VirtualBox.xml"
00:00:30.239782 main     VirtualBox: object deletion starts
00:00:30.240613 main     HostDnsMonitor: shutting down ...
00:00:30.240649 main     HostDnsMonitor: shut down
00:00:30.243100 Watcher  ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={7682d5eb-f00e-44f1-8ca2-99d08b1cd607} aComponent={VirtualBoxWrap} aText={The object is not ready}, preserve=false aResultDetail=0
00:00:30.243289 main     VirtualBox: object deleted

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

chine 'boinc_34b75359e7351dc0' is created and registered.
UUID: e1349e76-4389-442d-a490-d5f3fab209aa
Settings file: 'E:\BOINCdata\slots\11\boinc_34b75359e7351dc0\boinc_34b75359e7351dc0.vbox'

2025-05-03 01:46:48 (71380): 
Command: VBoxManage -q modifyvm "boinc_34b75359e7351dc0" --description "Theory_2848-4562233-774_0" 
Exit Code: 0
Output:

2025-05-03 01:46:48 (71380): 
Command: VBoxManage -q modifyvm "boinc_34b75359e7351dc0" --memory 630 
Exit Code: 0
Output:

2025-05-03 01:46:49 (71380): 
Command: VBoxManage -q modifyvm "boinc_34b75359e7351dc0" --cpus 1 
Exit Code: 0
Output:

2025-05-03 01:46:49 (71380): 
Command: VBoxManage -q modifyvm "boinc_34b75359e7351dc0" --acpi on --ioapic on --rtcuseutc off 
Exit Code: 0
Output:

2025-05-03 01:46:50 (71380): 
Command: VBoxManage -q modifyvm "boinc_34b75359e7351dc0" --vram 16 --graphicscontroller VBoxVGA 
Exit Code: 0
Output:

2025-05-03 01:46:50 (71380): 
Command: VBoxManage -q modifyvm "boinc_34b75359e7351dc0" --boot1 disk --boot2 dvd --boot3 none --boot4 none 
Exit Code: 0
Output:

2025-05-03 01:46:51 (71380): 
Command: VBoxManage -q showvminfo "boinc_34b75359e7351dc0" --machinereadable 
Exit Code: 0
Output:
name="boinc_34b75359e7351dc0"
Encryption:     disabled
groups="/"
ostype="Linux 2.6 / 3.x / 4.x / 5.x (64-bit)"
UUID="e1349e76-4389-442d-a490-d5f3fab209aa"
CfgFile="E:\\BOINCdata\\slots\\11\\boinc_34b75359e7351dc0\\boinc_34b75359e7351dc0.vbox"
SnapFldr="E:\\BOINCdata\\slots\\11\\boinc_34b75359e7351dc0\\Snapshots"
LogFldr="E:\\BOINCdata\\slots\\11\\boinc_34b75359e7351dc0\\Logs"
hardwareuuid="e1349e76-4389-442d-a490-d5f3fab209aa"
memory=630
pagefusion="off"
vram=16
cpuexecutioncap=100
hpet="off"
cpu-profile="host"
chipset="piix3"
firmware="BIOS"
cpus=1
pae="on"
longmode="on"
triplefaultreset="off"
apic="on"
x2apic="on"
nested-hw-virt="off"
cpuid-portability-level=0
bootmenu="messageandmenu"
boot1="disk"
boot2="dvd"
boot3="none"
boot4="none"
acpi="on"
ioapic="on"
biosapic="apic"
biossystemtimeoffset=0
BIOS NVRAM File="E:\\BOINCdata\\slots\\11\\boinc_34b75359e7351dc0\\boinc_34b75359e7351dc0.nvram"
rtcuseutc="off"
hwvirtex="on"
nestedpaging="on"
largepages="on"
vtxvpid="on"
vtxux="on"
virtvmsavevmload="on"
iommu="none"
paravirtprovider="default"
effparavirtprovider="kvm"
VMState="poweroff"
VMStateChangeTime="2025-05-03T08:46:47.782000000"
graphicscontroller="vboxvga"
monitorcount=1
accelerate3d="off"
accelerate2dvideo="off"
teleporterenabled="off"
teleporterport=0
teleporteraddress=""
teleporterpassword=""
tracing-enabled="off"
tracing-allow-vm-access="off"
tracing-config=""
autostart-enabled="off"
autostart-delay=0
defaultfrontend=""
vmprocpriority="default"
natnet1="nat"
macaddress1="080027FA2E87"
cableconnected1="on"
nic1="nat"
nictype1="82540EM"
nicspeed1="0"
mtu="0"
sockSnd="64"
sockRcv="64"
tcpWndSnd="64"
tcpWndRcv="64"
nic2="none"
nic3="none"
nic4="none"
nic5="none"
nic6="none"
nic7="none"
nic8="none"
hidpointing="ps2mouse"
hidkeyboard="ps2kbd"
uart1="off"
uart2="off"
uart3="off"
uart4="off"
lpt1="off"
lpt2="off"
audio="default"
audio_out="off"
audio_in="off"
clipboard="disabled"
draganddrop="disabled"
vrde="off"
usb="off"
ehci="off"
xhci="off"
recording_enabled="off"
recording_screens=1
 rec_screen0
rec_screen_enabled="on"
rec_screen_id=0
rec_screen_video_enabled="on"
rec_screen_audio_enabled="off"
rec_screen_dest="File"
rec_screen_dest_filename="E:\\BOINCdata\\slots\\11\\boinc_34b75359e7351dc0\\boinc_34b75359e7351dc0-screen0.webm"
rec_screen_opts="vc_enabled=true,ac_enabled=false,ac_profile=med"
rec_screen_video_res_xy="1024x768"
rec_screen_video_rate_kbps=512
rec_screen_video_fps=25
description="Theory_2848-4562233-774_0"
GuestMemoryBalloon=0

2025-05-03 01:46:51 (71380): 
Command: VBoxManage -q modifyvm "boinc_34b75359e7351dc0" --nic1 nat --nic-type1 "virtio" --cable-connected1 off --nat-dns-proxy1 on 
Exit Code: 0
Output:

2025-05-03 01:46:52 (71380): 
Command: VBoxManage -q modifyvm "boinc_34b75359e7351dc0" --cable-connected1 on 
Exit Code: 0
Output:

2025-05-03 01:46:52 (71380): 
Command: VBoxManage -q modifyvm "boinc_34b75359e7351dc0" --usb off 
Exit Code: 0
Output:

2025-05-03 01:46:53 (71380): 
Command: VBoxManage -q modifyvm "boinc_34b75359e7351dc0" --uart1 off --uart2 off 
Exit Code: 0
Output:

2025-05-03 01:46:54 (71380): 
Command: VBoxManage -q modifyvm "boinc_34b75359e7351dc0" --lpt1 off --lpt2 off 
Exit Code: 0
Output:

2025-05-03 01:46:54 (71380): 
Command: VBoxManage -q modifyvm "boinc_34b75359e7351dc0" --audio-enabled off 
Exit Code: 0
Output:

2025-05-03 01:46:54 (71380): 
Command: VBoxManage -q modifyvm "boinc_34b75359e7351dc0" --clipboard disabled 
Exit Code: 0
Output:

2025-05-03 01:46:55 (71380): 
Command: VBoxManage -q modifyvm "boinc_34b75359e7351dc0" --draganddrop disabled 
Exit Code: 0
Output:

2025-05-03 01:46:55 (71380): 
Command: VBoxManage -q storagectl "boinc_34b75359e7351dc0" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2025-05-03 01:47:03 (71380): 
Command: VBoxManage -q showhdinfo "E:\BOINCdata/projects/lhcathome.cern.ch_lhcathome/Theory_2025_04_17_prod.vdi" 
Exit Code: 0
Output:
UUID:           b1b25507-41e2-4ead-9ca8-6f5e1c8e2ce4
Parent UUID:    base
State:          created
Type:           multiattach
Location:       E:\BOINCdata\projects\lhcathome.cern.ch_lhcathome\Theory_2025_04_17_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       10240 MBytes
Size on disk:   2451 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576
Child UUIDs:    20875c6a-5ae8-449e-ba7c-707ca5c641a3
                683d89c8-43b1-4a4c-a4b2-48cab3387670
                fed49ee8-8464-481c-b23e-74349cd9d877
                e437791b-0dd0-41c7-980f-1e0e8829a38b
                e7f08a93-24b1-4f1e-aed2-aad9c460ed6d

2025-05-03 01:47:03 (71380): 
Command: VBoxManage -q storageattach "boinc_34b75359e7351dc0" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "E:\BOINCdata/projects/lhcathome.cern.ch_lhcathome/Theory_2025_04_17_prod.vdi" 
Exit Code: 0
Output:

2025-05-03 01:47:03 (71380): 
Command: VBoxManage -q storageattach "boinc_34b75359e7351dc0" --storagectl "Hard Disk Controller" --port 1 --device 0 --type dvddrive --medium "C:\Program Files\Oracle\VirtualBox/VBoxGuestAdditions.iso" 
Exit Code: 0
Output:

2025-05-03 01:47:03 (71380): 
Command: VBoxManage -q bandwidthctl "boinc_34b75359e7351dc0" add "boinc_34b75359e7351dc0_net" --type network --limit 1024G 
Exit Code: 0
Output:

2025-05-03 01:47:04 (71380): 
Command: VBoxManage -q modifyvm "boinc_34b75359e7351dc0" --natpf1 ",tcp,127.0.0.1,63052,,80" 
Exit Code: 0
Output:

2025-05-03 01:47:04 (71380): 
Command: VBoxManage -q list extpacks
Exit Code: 0
Output:
Extension Packs: 0

2025-05-03 01:47:04 (71380): 
Command: VBoxManage -q sharedfolder add "boinc_34b75359e7351dc0" --name "shared" --hostpath "E:\BOINCdata\slots\11/shared"
Exit Code: 0
Output:

2025-05-03 01:47:09 (71380): 
Command: VBoxManage -q startvm "boinc_34b75359e7351dc0" --type headless
Exit Code: -2147467259
Output:
VBoxManage.exe: error: Not in a hypervisor partition (HVP=0) (VERR_NEM_NOT_AVAILABLE).
VBoxManage.exe: error: AMD-V is disabled in the BIOS (or by the host OS) (VERR_SVM_DISABLED)
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component ConsoleWrap, interface IConsole
Waiting for VM "boinc_34b75359e7351dc0" to power on...

2025-05-03 01:47:09 (71380): 
Command: VBoxManage -q snapshot "boinc_34b75359e7351dc0" list 
Exit Code: -108
Output:
This machine does not have any snapshots

2025-05-03 01:47:09 (71380): 
Command: VBoxManage -q bandwidthctl "boinc_34b75359e7351dc0" remove "boinc_34b75359e7351dc0_net" 
Exit Code: 0
Output:

2025-05-03 01:47:09 (71380): 
Command: VBoxManage -q unregistervm "boinc_34b75359e7351dc0" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2025-05-03 01:47:15 (71380): called boinc_finish(-2147467259)

</stderr_txt>
]]>

©2025 CERN