How To Fix MJ029 - Specify a new value for &

SAP Error Message - Details

• Message type: E = Error

• Message class: MJ - Field Selection

• Message number: 029

• Message text: Specify a new value for &

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MJ029 - Specify a new value for & ?

  The SAP error message MJ029 ("Specify a new value for &") typically occurs in the context of Material Management (MM) or Production Planning (PP) modules when a user attempts to change a value in a field that requires a new entry but does not provide one. This error can arise in various scenarios, such as during the creation or modification of material master records, production orders, or other related transactions.
  Cause:
  The error is generally caused by one of the following:
  
  Missing Input: The user has not provided a new value for a required field that is being modified.
  Incorrect Field Usage: The field being modified may not be appropriate for the current transaction or context.
  Validation Rules: There may be validation rules in place that require certain fields to be filled out before proceeding.
  
  Solution:
  To resolve the MJ029 error, you can take the following steps:
  
  
  Check Required Fields: Ensure that all mandatory fields are filled out with appropriate values. Look for any fields marked with an asterisk (*) or highlighted in red.
  
  
  Provide a New Value: If you are trying to change a value, make sure to enter a new value in the specified field. The error message indicates that a new value is required.
  
  
  Review Transaction Context: Make sure you are in the correct transaction and that the fields you are trying to modify are relevant to that transaction.
  
  
  Consult Documentation: If you are unsure about what values are acceptable, refer to the SAP documentation or help files related to the specific transaction you are working with.
  
  
  Check User Authorizations: Ensure that you have the necessary authorizations to make changes to the fields in question.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with a functional expert who can provide further assistance.
  
  
  Related Information:
  
  Transaction Codes: The error can occur in various transaction codes, such as MM01 (Create Material), MM02 (Change Material), CO01 (Create Production Order), etc.
  Field Documentation: Each field in SAP has specific documentation that can be accessed by placing the cursor on the field and pressing F1. This can provide insights into what values are acceptable.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message MJ029. SAP Notes can provide additional context or solutions for specific scenarios.
  
  By following these steps, you should be able to identify the cause of the MJ029 error and implement a solution to resolve it.