SAP ABAP Class CL_RFAC_METHOD_DESCRIPTION (Metadata for a method) is using

• Class (32)
• Table/Structure Field (1)
• Interface (30)
• Message Class (1)
• Message Number (1)
• Class Method (52)
• Table (2)

#	Object Type	Object Name	Object Description	Note
1	Message Number	SRFAC_IMPL - 027	Unknown value for parameter transfer direction: &1