SAP ABAP Class CX_TMS_INVALID_EXTERNAL_SYSTEM (System cannot be managed externally in TMS) is using

• Class (5)
• Data Element (6)
• Interface (2)
• Message Class (1)
• Message Number (1)
• Class Method (1)
• Table (2)

#	Object Type	Object Name	Object Description	Note
1	Message Class	PU	Upgrade and Transport Log Messages