The following Task Notification indicates that an eBics Client was active during the eBiss Service, running a cleanup job in which the eBiss logs should also have been cleared.

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 Task:            ExceptionStart: Could not rotate fil 
 Created:        02.05.2017 01:05:00 
 eBissAdmin:        Admin (xyz@xyz.de)
 ResolveObject:    JobDef: Global CleanUp 60 Days
 TaskMessage:        ExceptionStart 
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 SourceObject:    ProcessInstance: Global CleanUp 60 Days 02.05.2017 01:05:00

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Additional Info:    Could not rotate file: 'LogManager.log'.
The process can not access the file because it is already being used by another process.

Solution: Close the eBiss Client after finishing the work.