Start a WebSpeed session with the -weblogerror startup parameter to capture messages from ABL code in the WebSpeed server (agent) log file.
The -weblogerror parameter may be specified in OpenEdge Explorer or Progress Explorer in the Agent tab under "Server startup parameters", or by editing the srvrStartupParam property for the WebSpeed broker in the ubroker.properties file.
Note, this startup parameter is only used in Classic AppServer. It is this is no longer used in Progress Application Server for OpenEdge.
