Solution : https://service.sap.com/sap/support/notes/124538 (SAP Service marketplace login required)
Key words : 
additional key words layout layout parameters settings ----- supportguide 20010208093844 -----reportwriter, sgrw_other_layoutsgrw_om sgrw_ps sgrw_pc sgrw_sl sgrw_pca sgrw_ec sgrw_lis, solution correct form routine move_t800_to_t801x, -> settings -> report layout changed, change layout parameters, layout parameters, main program saplgrwf, report output, program error, program lines
Related Notes : 
       
| 186011 | |
| 174132 | Flexible analysis: Composite note | 
| 173481 | GR214 (SAPLGRWF/LGRWFF10/FILL_RGRWF_FROM_T801X) | 
| 145860 | Flex.analysis: MESSAGE_TYPE_X during layout maint. | 
| 114271 | Termination MESSAGE_TYPE_X in program SAPLGRWF |