Backup Issue

Hi,

I find below error in event viewer while taking system state backup in 2008 r2 server

Kindly provide you suggestion for this issue

Faulting application name: wbengine.exe, version: 6.1.7601.17514, time stamp: 0x4ce79951
Faulting module name: ntdll.dll, version: 6.1.7601.19135, time stamp: 0x56a1c9c5
Exception code: 0xc0000374
Fault offset: 0x00000000000c0aa2
Faulting process id: 0x2144
Faulting application start time: 0x01d189056d330866
Faulting application path: C:\Windows\system32\wbengine.exe
Faulting module path: C:\Windows\SYSTEM32\ntdll.dll