How To Fix CFD_REPOSITORY_UTIL098 - Custom Field &1: Length of numeric Custom Field must not be changed.

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_REPOSITORY_UTIL - Custom Fields: Repository

• Message number: 098

• Message text: Custom Field &1: Length of numeric Custom Field must not be changed.

What causes this issue?

The value of property <ZK>Length</> in entity set <ZK>Custom Fields
</>must not be changed for Custom Fields of numeric type. The reason is
that this would lead either to data corruption or potentially long
conversion times in case much data is stored in the affected database
tables.

System Response

System revokes creation of custom field &V1&

How to fix this error?

Do not change the value of properties <ZK>Length</> in entity set
<ZK>CustomFields </>for Custom Field of numeric type.

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 CFD_REPOSITORY_UTIL098 - Custom Field &1: Length of numeric Custom Field must not be changed. ?

  The SAP error message CFD_REPOSITORY_UTIL098 indicates that there is an issue with the length of a numeric custom field in the SAP system. This error typically arises when there is an attempt to change the length of a numeric custom field that has already been defined in the system. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Field Length Change: The error occurs when you try to modify the length of a numeric custom field that has already been created. In SAP, once a custom field is defined, its properties (including length) cannot be changed without causing issues in the data model.
  Data Consistency: Changing the length of a numeric field can lead to inconsistencies in the data stored in the database, which is why SAP restricts such changes.
  
  Solution:
  
  Do Not Change Length: The simplest solution is to avoid changing the length of the numeric custom field. If you need a different length, consider creating a new custom field with the desired length instead of modifying the existing one.
  Create a New Field: If the requirement for a different length is essential, create a new custom field with the desired specifications and migrate any necessary data from the old field to the new one.
  Check Custom Field Configuration: Review the configuration of the custom field in the Custom Fields and Logic app (or the relevant transaction) to ensure that the field is set up correctly and that no changes are being attempted that violate SAP's constraints.
  Consult Documentation: Refer to SAP documentation or notes related to custom fields for any specific guidelines or best practices regarding field length and modifications.
  
  Related Information:
  
  Custom Fields and Logic: SAP provides a framework for creating custom fields and logic, which allows users to extend standard applications without modifying the underlying code. Understanding this framework can help in managing custom fields effectively.
  Data Migration: If you decide to create a new field, you may need to plan for data migration. This could involve using tools like SAP Data Services or manual data transfer methods, depending on the volume and complexity of the data.
  SAP Notes: Check for any relevant SAP Notes that might provide additional insights or updates regarding custom fields and their limitations.
  
  Conclusion:
  To resolve the CFD_REPOSITORY_UTIL098 error, avoid changing the length of existing numeric custom fields. If a change is necessary, create a new field and handle data migration appropriately. Always refer to SAP documentation for best practices and guidelines when working with custom fields.