SAP ABAP Class CX_CTS_RFCDEST_MODIFY_FAILED (RFC destination update failed) is using

• Class (8)
• Data Element (5)
• Table/Structure Field (12)
• Interface (2)
• Message Class (2)
• Message Number (1)
• Class Method (1)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Message Number	PU - 645	Could not create or change RFC destination &1