SAP Message R11520 - Client &1 appl.object &2 screen &3:Error during subscreen container gener DOCUMENTATION DiagnosisErrors have occurred during screen generation. The reasons for thiscould be:The maximum length of the screen was exceeded. There may be no more than199 lines per subscreen container.The maximum number of lines for the header-data area was exceeded. Theremay be no more than 15 lines in the header-data section.ProcedureCheck both of these potential sources of errors in the relevant screen,and make the necessary changes.