How To Fix UGMD118 - The key of field &1 is too long

SAP Error Message - Details

• Message type: E = Error

• Message class: UGMD - FIN Master Data: Messages

• Message number: 118

• Message text: The key of field &1 is too long

What causes this issue?

The key for field &V1& is &V2& characters long - including the
independent characteristics. The system only allows keys up to &V3&
characters.

System Response

During save, the settings will not be saved.
In other cases, processing is terminated.

How to fix this error?

Choose different fields, or change the technical properties for the
field or associated InfoObject &V4&.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message UGMD118 - The key of field &1 is too long ?

  The SAP error message UGMD118, which states "The key of field &1 is too long," typically occurs when the length of a key field exceeds the maximum allowed length defined in the system. This error is often encountered in the context of data entry, data processing, or when working with certain SAP modules that involve key fields, such as Material Management (MM), Sales and Distribution (SD), or others.
  Cause:
  
  Field Length Exceeded: The primary cause of this error is that the value being entered into a key field exceeds the predefined length for that field in the database or data structure.
  Incorrect Data Entry: Users may inadvertently enter more characters than allowed, especially if they are copying and pasting data from other sources.
  Configuration Issues: In some cases, the configuration of the data model or the database schema may not align with the expected lengths of key fields.
  
  Solution:
  
  Check Field Length: Verify the maximum allowed length for the field in question. You can do this by checking the data dictionary (SE11) for the relevant table or structure.
  Trim Input Data: Ensure that the data being entered into the field does not exceed the maximum length. If necessary, truncate or modify the input data to fit within the allowed limits.
  Review Configuration: If the error persists, review the configuration settings related to the data model or the specific module you are working with. Ensure that the field definitions are correctly set up.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the field in question and its constraints.
  Error Handling: Implement error handling in your application or process to catch such issues before they result in an error message.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function Module) to investigate the structure and properties of the field.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context or solutions.
  User Training: Ensure that users are trained on the correct data entry practices to minimize the occurrence of such errors.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP Basis or technical team for further investigation and resolution.