Solution : https://service.sap.com/sap/support/notes/829096 (SAP Service marketplace login required)
Summary :
This SAP Note provides solutions and kernel patch levels for error message 00 123 "Invalid GUI input data". Issues arise from various actions such as keyboard navigation in composite radio buttons, use of function keys in UI elements, keyboard usage in combo boxes, focus on invisible Custom Controls, invalid double-byte character entry, and excessive data sent to the application server. The note details kernel and SAP GUI patches required to resolve these issues. Analyze errors using transaction ST20. Specific patch levels for resolving each cause have been identified for both SAP GUI versions and kernel versions to ensure system stability and correction.
Key words :
5you enter invalid double-byte characters, 7you enter invalid double-byte characters, click blank custom control areas, invalid gui input data, invisible custom control, invalid focus data, table control titles, 1this problem occurs, 2this problem occurs, kernel patch level
Related Notes :
| 1305538 | Invalid GUI input data because data is too large |
| 365940 | Analyzing screen traces using transaction ST20 |