Solution : https://service.sap.com/sap/support/notes/1019627 (SAP Service marketplace login required)
Key words :
class header cl_mdm_gx_extrmethod get_column_syntaxit_table importing type mdm_gx_tttable tableit_link importing type mdm_gx_ttlink link infoev_nlang_column_syntax exporting type string linkage infoev_lang_column_syntax exporting type string linkage infoimportant note, table type = mdm_gx_ttjoinmatrixline type = mdm_gx_joinmatrixstructure mdm_gx_joinmatrix, defined astable_alias string 256 0 aliaslink2tables mdm_gx_ttfield 0 0 fieldthere, terms mdmgxmdm initializationmdm generic extractor reason, prerequisites program error solution apply, correction instruction attached herewithin case, ports table joins, multiple table joins, correction instruction, generic extractor
Related Notes :
| 964991 | MDMGX: Generic extractor for Customizing data |