Solution : https://service.sap.com/sap/support/notes/811562 (SAP Service marketplace login required)
Key words :
fipi function group, defsize = 'x' option, error message ff733, transferred tax entries, standard size reason, incorrect screen size, batch input folder, standard size, tax screen, batch input
Related Notes :
| 849676 | FB05, FB01: Window size is changed |
| 798372 | Manually entering tax for jurisdiction codes line by line |
| 794969 | Calculating an IDoc with jurisdiction codes and tax by line |