How To Fix ABADR018 - Enter a valid source field. The field & & is not a permitted source field

ABADR018 - Overview

• Message type: E = Error

• Message class: ABADR - Message Class for Characteristic Derivation

• Message number: 018

• Message text: Enter a valid source field. The field & & is not a permitted source field

What causes this issue?

This field is not allowed as a source field.

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?

Display the allowed source fields by pressing F4.

Error message extract from SAP system. Copyright SAP SE.

ABADR018 - Details

• The SAP error message ABADR018 indicates that there is an issue with the source field specified in a data transfer or mapping process. This error typically occurs when the field you are trying to use as a source in a data operation (like a data transfer, mapping, or transformation) is not recognized as a valid or permitted source field in the context of the operation you are performing.
  
  Cause:
  
  Invalid Field Name: The field name specified may be incorrect or misspelled.
  Field Not Allowed: The field you are trying to use may not be allowed in the context of the operation you are performing. This could be due to restrictions in the data model or the specific transaction you are using.
  Field Type Mismatch: The field type may not match the expected type for the operation.
  
  Configuration Issues: There may be configuration settings that restrict the use of certain fields in the data transfer or