How To Fix UDM_MSG045 - Field '&1' is not modifiable

UDM_MSG045 - Overview

• Message type: E = Error

• Message class: UDM_MSG - FSCM-DM: Messages

• Message number: 045

• Message text: Field '&1' is not modifiable

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UDM_MSG045 - Field '&1' is not modifiable ?

  The SAP error message UDM_MSG045, which states "Field '&1' is not modifiable," typically occurs in the context of the SAP Customer Relationship Management (CRM) or SAP S/4HANA systems when a user attempts to modify a field that is not allowed to be changed due to system constraints or business rules.
  
  Cause:
  
  Field Attributes: The field in question may be defined as non-modifiable in the data model or configuration settings. This can happen if the field is intended to be read-only based on the business logic.
  Status of the Document: The document or transaction may be in a status that does not allow modifications. For example, if a sales order is already confirmed or delivered, certain fields may be locked for editing.
  User Authorizations: The user may not have the necessary authorizations to modify the field. This can be due to role restrictions or specific field-level security settings.
  Business Rules: Certain business rules or validations may