Error Message

The below error can be seen in the FolderSync.YYYY-MM-DD.00.log which can be found at the default location of the log at C:\ProgramData\Vault Solutions\Archive Accelerator. 

VSLLC:CustomSynch:Worker00:Schedule(3)] - Error setting AuthenticationService login credentials to config file.

** Exception Details **
System.FormatException: The input is not a valid Base-64 string as it contains a non-base 64 character, more than two padding characters, or an illegal character among the padding characters. 
   at System.Convert.FromBase64_Decode(Char* startInputPtr, Int32 inputLength, Byte* startDestPtr, Int32 destLength)
   at System.Convert.FromBase64CharPtr(Char* inputPtr, Int32 inputLength)
   at System.Convert.FromBase64String(String s)
   at VaultSolutions.ArchiveAccelerator.Helpers.SecurityHelper.Decrypt(String encodedString, String inputKey)
   at VaultSolutions.ArchiveAccelerator.SynchJob.SynchTrans_SetLoginCredentials()
2023-04-21 08:07:31.417 [(T03) VSLLC:CustomSynch:Worker00:Schedule(3)] - Server can begin starting new jobs again.
2023-04-21 08:07:31.417 [(T03) VSLLC:CustomSynch:Worker00:Schedule(3)] - Purging rows from tblThread
2023-04-21 08:07:31.511 [(T03) VSLLC:CustomSynch:Worker00:Schedule(3)] - Purged 109 rows from tblThread
2023-04-21 08:07:31.511 [(T03) VSLLC:CustomSynch:Worker00:Schedule(3)] - END Worker00 - Schedule(3), ReportOnly: False, MiscParameter: 0
2023-04-21 08:07:32.376 [(T03) VSLLC:CustomSynch:Worker00:Schedule(3)] - START Worker00 - Schedule(3), ReportOnly: False, MiscParameter: 0
2023-04-21 08:08:32.450 [(T03) VSLLC:CustomSynch:Worker00:Schedule(3)] - END Worker00 - Schedule(3), ReportOnly: False, MiscParameter: 0, WhyJobStopped: NothingToDo
2023-04-21 09:08:33.387 [(T03) VSLLC:CustomSynch:Worker00:Schedule(3)] - START Worker00 - Schedule(3), ReportOnly: False, MiscParameter: 0
2023-04-21 09:08:33.419 [(T03) VSLLC:CustomSynch:Worker00:Schedule(3):OnStartSchedule] - Start of OnStartSchedule
2023-04-21 09:08:33.419 [(T03) VSLLC:CustomSynch:Worker00:Schedule(3)] - Setting status of ArchiveTools targets, that are selected, archived, and in the 'Completed' or 'Erred' state, to 'ToBeStarted'.
2023-04-21 09:08:33.434 [(T03) VSLLC:CustomSynch:Worker00:Schedule(3)] - Error setting AuthenticationService login credentials to config file.

This can happen due to corruption in the Folder Sync DB.

Re-entering the CloudArchive service account credentials should resolve the issue.