How To Fix MG012 - Only values greater than or equal to 0 are allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: MG - Batch input: material master

• Message number: 012

• Message text: Only values greater than or equal to 0 are allowed

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 MG012 - Only values greater than or equal to 0 are allowed ?

  The SAP error message MG012 ("Only values greater than or equal to 0 are allowed") typically occurs in the context of inventory management or material management when a user attempts to enter a negative value in a field that only accepts non-negative values. This can happen in various transactions, such as goods movements, inventory adjustments, or material master data updates.
  Cause:
  
  Negative Quantity Entry: The most common cause is that the user is trying to enter a negative quantity in a field that does not allow it. This could be in a transaction like goods receipt, goods issue, or stock transfer.
  Configuration Issues: There may be configuration settings in the system that restrict certain fields to only accept non-negative values.
  Data Entry Errors: Users may inadvertently enter a negative sign due to a typo or misunderstanding of the required input.
  
  Solution:
  
  Check Input Values: Review the values being entered in the transaction. Ensure that all quantities are zero or positive.
  Correct Data Entry: If a negative value was entered by mistake, correct it to a valid non-negative value.
  Review Transaction Type: Ensure that the transaction type being used is appropriate for the action being performed. For example, if you are trying to issue stock, ensure that you are not mistakenly trying to enter a negative quantity.
  Consult Documentation: Refer to SAP documentation or help files for the specific transaction to understand the expected input values.
  User Training: If this error occurs frequently, consider providing additional training to users on how to properly enter data in the system.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes related to inventory management, such as MIGO (Goods Movement), MB1A (Goods Issue), or MB1B (Transfer Posting).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, there may be specific fixes or updates provided by SAP.
  User Roles and Authorizations: Ensure that the user has the appropriate roles and authorizations to perform the transaction, as restrictions may also lead to unexpected errors.
  
  If the issue persists after checking these aspects, it may be beneficial to consult with your SAP support team or a technical consultant for further investigation.