How To Fix GG789 - The length of field & of table & is longer than 24

SAP Error Message - Details

• Message type: E = Error

• Message class: GG - Messages for FI-SL customizing

• Message number: 789

• Message text: The length of field & of table & is longer than 24

What causes this issue?

Field &V1& of table &V2& has a length of &V3& and an output length of
&V4&.
The field size has an impact on memory consumption and performance.
The visible length of the input field for a corresponding parameter on
the selection screen can potentially be shorter.

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

System Response

How to fix this error?

Note the above information when defining your tables.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GG789 - The length of field & of table & is longer than 24 ?

  The SAP error message GG789 indicates that there is a field in a table that exceeds the maximum allowed length of 24 characters. This error typically arises during data processing or when trying to create or modify database objects, such as tables or structures, where field lengths are defined.
  Cause:
  
  Field Length Exceeded: The primary cause of this error is that a field in a database table or structure has been defined with a length greater than 24 characters. This can happen during the design phase of a database schema or when importing data from external sources.
  Data Model Constraints: Some SAP modules or applications have specific constraints on field lengths, and exceeding these limits can trigger this error.
  Custom Development: If custom fields or tables are created in the SAP system, they may inadvertently exceed the length restrictions.
  
  Solution:
  
  Review Field Definitions: Check the field definitions in the relevant table or structure. Ensure that no field exceeds the 24-character limit. You can do this by using transaction codes like SE11 (Data Dictionary) to view the table structure.
  Modify Field Lengths: If a field is found to exceed the limit, consider modifying the field length to be within the acceptable range. This may involve changing the data type or splitting the data into multiple fields if necessary.
  Check Custom Code: If the error arises from custom ABAP code, review the code to ensure that it does not attempt to use fields longer than 24 characters. Adjust the code accordingly.
  Data Migration: If this error occurs during data migration, ensure that the source data conforms to the length restrictions of the target SAP fields.
  Consult Documentation: Refer to SAP documentation or notes related to the specific module you are working with, as there may be additional constraints or recommendations.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on field length limitations.
  Data Dictionary: Familiarize yourself with the SAP Data Dictionary (transaction SE11) to understand how to define and manage fields and tables.
  Field Types: Understand the different data types available in SAP and their respective length limitations (e.g., CHAR, VARCHAR, etc.).
  Testing: After making changes, thoroughly test the affected areas to ensure that the changes do not introduce new issues.
  
  If the problem persists after following these steps, consider reaching out to SAP support or consulting with an experienced SAP developer for further assistance.