How To Fix CFD_REPOSITORY_UTIL005 - Custom Field &1 is not valid. Name must start with a letter.

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_REPOSITORY_UTIL - Custom Fields: Repository

• Message number: 005

• Message text: Custom Field &1 is not valid. Name must start with a letter.

What causes this issue?

Value &V1& of property <ZK>CustomFieldID</> in entity se<ZK>t
CustomFields </>must start with a letter.

System Response

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

How to fix this error?

Change value of property <ZK>CustomFieldID </>in entity set
<ZK>CustomFields</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_REPOSITORY_UTIL005 - Custom Field &1 is not valid. Name must start with a letter. ?

  The SAP error message CFD_REPOSITORY_UTIL005 indicates that a custom field name you are trying to create or use does not meet the naming conventions required by SAP. Specifically, the error states that the custom field name must start with a letter.
  
  Cause:
  
  Invalid Naming Convention: In SAP, custom field names must adhere to specific naming conventions. They must start with a letter (A-Z) and can be followed by letters, numbers (0-9), or underscores (_). If the name starts with a number or special character, this error will occur.
  Field Name Length: Ensure that the field name does not exceed the maximum length allowed by SAP for custom fields.
  Reserved Names: The name might be conflicting with reserved names or existing fields in the system.
  
  
  Solution:
  
  Rename the Custom Field: Change the name of the custom field to ensure it starts with a letter. For example, if your custom field is named "1CustomField", rename it to "CustomField1".
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