How To Fix UCU5204 - The entry cannot be inserted in this row

UCU5204 - Overview

• Message type: E = Error

• Message class: UCU5 - Messages for Step/Layout Maintenance

• Message number: 204

• Message text: The entry cannot be inserted in this row

What causes this issue?

You selected a characteristic for insertion. This is only possible in
rows in which the characteristics for fast entry and detailed entry
have been defined. This is not the case with the row that is marked.

System Response

Action terminated

How to fix this error?

Select a row within the sections "Fast Entry" or "Detail Screen", and
repeat the action.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

UCU5204 - Details

• The SAP error message UCU5204, "The entry cannot be inserted in this row," typically occurs in the context of SAP applications that involve data entry or modification, such as SAP S/4HANA or SAP ERP systems. This error usually indicates that there is a problem with the data being entered or the configuration of the system that prevents the insertion of a new entry in a specific row of a table or data structure.
  Causes:
  
  
  Data Validation Issues: The data being entered may not meet the validation rules defined for that field or table. This could include incorrect data types, formats, or values that are not allowed.
  
  
  Key Violations: If the entry being inserted violates primary key or unique constraints, the system will prevent the insertion.
  
  
  Locked Entries: The row or table may be locked by another user or process, preventing any modifications.
  
  
  
  Configuration Issues: There may be configuration settings in the system that restrict certain