Solution : https://service.sap.com/sap/support/notes/166421 (SAP Service marketplace login required)
Key words :
additional key words fgbb, form routine 'valcond_1<xxxxxxx>', respective application area, maintenance transaction ggb0, execute report rgugbr00, syntactically correct insert, source code generated, generated source code, source code, 'valchck_2<xxxxxxx>'
Related Notes :
132730 | |
98793 | Syntax error: 'Field "RB_E.../RB_F..." unknown.' |
95516 | Problems with matrix validations/substitutions |