How To Fix MJ051 - No modifiable fields exist

MJ051 - Overview

• Message type: E = Error

• Message class: MJ - Field Selection

• Message number: 051

• Message text: No modifiable fields exist

What causes this issue?

When the system tried to write the field numbers from field selection
to the attributes of the screen fields concerned, it found that no
modifiable screens had yet been defined.

System Response

The screens are not changed.

How to fix this error?

Make sure you complete your field modification maintenance fully.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MJ051 - No modifiable fields exist ?

  The SAP error message MJ051 ("No modifiable fields exist") typically occurs in the context of Material Management (MM) or Production Planning (PP) when you are trying to modify a document or record, such as a purchase order, production order, or material master, but the system has determined that there are no fields available for modification.
  Causes:
  
  Document Status: The document you are trying to modify may be in a status that does not allow changes. For example, a purchase order that has been fully delivered or invoiced may not allow further modifications.
  Field Attributes: The fields you are trying to change may be set as non-modifiable due to configuration settings in the system.
  User Authorizations: The user may not have the necessary authorizations to modify certain fields in the document.
  Data Locking: The record may be locked by another user or process, preventing modifications.
  Business Logic: Certain business rules or logic may prevent modifications to specific