CallPath call STLRETR (Retrieve_Call) - unknown problem
STLRETR failed because of an unexpected or unknown error. The CallPath return code and the parameters passed to and from the call are printed in the error.
STLRETR performs a single step transfer on switches that support this call.
If this problem occurs frequently, trace it and contact Blueworx Support.
White (error_id = 20501)
Log, System Monitor