Hi RebeccaG, Thank you for your reply. Please help me to reslove the problem as below. ===== XML Information ===== File: /root/VMmark3/xml/generic_functions.xml, Machine: local Line 141: Error in element type "script". ===== Python Error Information ===== com.ibm.staf.service.stax.STAXPythonEvaluationException: Traceback (most recent call last): File "", line 2, in NameError: name 'ErrorMsgs' is not defined ===== Call Stack for STAX Thread 64 ===== Thanks, Wen