3392494 - Code list YY1_ABC is transported and its length can no longer be modified - SAP S/4HANA Cloud

The user is trying to edit the "Maximum Code Length" of a custom code list in "Custom Reusable Elements" app and getting error "Code list YY1_ABC is transported and its length can no longer be modified."

SAP S/4HANA Cloud

1. Go to "Custom Reusable Elements" app.
2. Go to "Custom Code Lists" tab.
3. Select a custom code list that has already been transported(the column "Transported" can be added to the table through the table settings).
4. Click on Edit.
5. Modify property "Maximum Code Length".
6. Click on Save and Publish.
7. Getting error "Code list YY1_ABC is transported and its length can no longer be modified."

Changing the length of a code list is considered an incompatible change since it can introduce syntax errors in productive coding and potentially lead to data loss.

Code length cannot be modified once the custom code list has been transported.

Custom Reusable Elements - SAP Fiori Apps Reference Library

KBA , BC-SRV-APS-EXT-BL , Custom Business Logic , Problem