1966509 - Error 29 301 - Item screen ctrl key not maintained

You are working in the CAD Desktop and try to edit or create a material BOM. Then the following error message is raised:

Item screen ctrl key  not maintained: inform your system manager
Message no. 29301

Diagnosis
The program uses item screen control key , which is either not supported or is incompletely maintained. This item screen control key is required for:
- checking item data or items copied from a reference
- and for function Item full

This control key represents functions codes and screen numbers which are needed for internal control purposes.

System Response
Each item category must, depending on its definition, have one of these control keys assigned to it.

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