Solution : https://service.sap.com/sap/support/notes/127565 (SAP Service marketplace login required)
Summary :
Key words :
system generates warning message f2054 'allocate number, maintain number range object rf_beleg, additional key words sapff001, network problems/electricity outage, replace line message w054, line message i054, system generates, windows task manager, document number assignment, attached program correction
Related Notes :
| 175047 | Causes for FI document number gaps (RF_BELEG) |
| 37939 | Connection problems (TCP/IP error) SAPgui app.serv. |
| 21971 | Connection between SAP GUI and application server terminated |