SAP ABAP Class CX_USMD_FP_INVALID_STRUC (Invalid Structure) is using

• Class (5)
• Data Element (4)
• Interface (2)
• Message Class (1)
• Message Number (1)
• Class Method (1)
• Table (2)

#	Object Type	Object Name	Object Description	Note
1	Message Number	USMD2 - 338	No structure for field properties defined for entity &1