While running a script you get the following message in the log column:
Unknown error- System failure during call. You may may turn the logging on to get more information (4)
Transaction Scripts 10.x.x & 11.x.x
This is a SAP message which indicates that there are missing authorizations.
Please get in touch with your Internal SAP team and have them review your current SAP Authorizations.
What authorizations are needed for Transaction