Solution : https://service.sap.com/sap/support/notes/516855 (SAP Service marketplace login required)
Key words :
system displays error message 8w140, 5b call transaction se91, 0b call transaction se91, change schedule lines, message class 8w, system displays, error message, change message 140, program error, information message
Related Notes :
| 453689 | Error 8W140 for display and change of schedule lines |