SCCM 2012 R2 SP1 Default reports gives the following error when trying to run.
system.web.services.protocols.soapexception an error has occurred during report processing
Investigation Steps:
Open the srsrp.log file with cmtrace and open any raport in SCCM.
You can see the error logs in the file.
Solution Steps:
SCCM Reports re-creating steps,
Open Run with Administration rights,
Run the regedit.exe
Find the following key,
HKLM\Software\Microsoft\SMS\SRSRP\SRSInitializeState
Set value to 0
All current default report will be appears with _
New reports will be created within minutes.
Solution!
Source: https://social.technet.microsoft.com/Forums/en-US/cdf350b6-bde9-48e0-9478-252cf4d2097c/sccm-2012-reports-created-in-localized-language-german?forum=configmanagergeneral