System.OutOfMemoryException error means that SAgent service has consumed all allocated memory.
The following factors cause the issue: very large backup set - TBs, limitation of memory usage on 32-bit operational system.
It is necessary to check the amount of used memory on the affected device.
For this press Windows +R, type
Go to Memory section and locate the process
Collect the amount of used memory by the
Please update OBRM to the latest version and contact Infrascale Support.