How To Fix 37204 - Non-executable element changes in a dynpro line

37204 - Overview

• Message type: E = Error

• Message class: 37 - Screen Painter

• Message number: 204

• Message text: Non-executable element changes in a dynpro line

What causes this issue?

By overwriting existing elements and/or creating new elements on a line
of the layout editor, you created a situation where the system either

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

cannot create a unique assignment to existing elements on the line
or
cannot create the required space for a permanently visible possible
entries key

System Response

Not all the requested changes have been performed.

How to fix this error?

Before saving/generating, check that the assumptions made by the system
correspond to your wishes. To do this, look at the element list or
select the <LS>Attributes</> function for the critical fields. If you
do not agree, leave screen editing without saving or generating. Then,
restart the editing process and divide your complex changes on one line
into several smaller changes.

Error message extract from SAP system. Copyright SAP SE.

37204 - Details

• The SAP error message 37204 ("Non-executable element changes in a dynpro line") typically occurs in the context of screen programming (dynpro) in ABAP when there are changes made to a screen element that cannot be executed or processed as expected. This error is often related to the way screen elements are defined or manipulated in the ABAP code.
  
  Cause:
  
  Non-Executable Changes: The error usually arises when there are attempts to change properties of screen elements (like input fields, buttons, etc.) in a way that is not allowed. For example, trying to change the attributes of a screen element that is not in a modifiable state.
  Screen Flow Logic: The error can also occur if there are inconsistencies in the screen flow logic, such as trying to modify a screen element after it has already been processed or displayed.
  Incorrect Screen Attributes: If the screen attributes are not set correctly (e.g., a field is set