Solution : https://service.sap.com/sap/support/notes/418733 (SAP Service marketplace login required)
Key words :
sgrw_transportsgrw_om sgrw_ps sgrw_pc sgrw_sl sgrw_pca sgrw_ec sgrw_lis reason, terms missing variants, import ----- supportguide 20011204143326 -----reportwriter, global unique identifier, report groups transports, affected report group, report group transport, report groups, report group, previously created
Related Notes :
320066 | Report Writer generated program names as of 4.5A |
122969 | Report Writer: Problems with variants after upgrade |