SAP ABAP Program GBT00COD (GBT00COD) is using

• Table/Structure Field (2)
• Message Number (1)

#	Object Type	Object Name	Object Description	Note
1	Table/Structure Field	GB921 - SUBSEQNR	Step number of the substitution
2	Table/Structure Field	SYST - UNAME	ABAP System Field: Name of Current User