SAP ABAP Function Module STUO_OPTIMIZER_TRACE (ST04 (Oracle): Optimizer trace) is using

• Data Element (1)
• Table/Structure Field (3)
• Function Module (2)
• Message Class (1)
• Message Number (1)
• Table (4)

#	Object Type	Object Name	Object Description	Note
1	Message Number	S1 - 604	No explain for & possible