How To Fix MMRP01216 - Negative requirement quantity &1 is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: MMRP01 - Rapid Planning Matrix

• Message number: 216

• Message text: Negative requirement quantity &1 is not 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MMRP01216 - Negative requirement quantity &1 is not allowed ?

  The SAP error message MMRP01216, which states "Negative requirement quantity &1 is not allowed," typically occurs in the context of materials management and inventory management processes. This error indicates that there is an attempt to process a requirement (such as a purchase order, production order, or stock transfer) with a negative quantity, which is not permissible in SAP.
  Cause:
  
  Negative Quantity Entry: The most common cause is that a negative quantity has been entered in a transaction where only positive quantities are allowed. This can happen during the creation or modification of purchase orders, production orders, or stock movements.
  Incorrect Configuration: There may be configuration issues in the material master or in the settings for the specific transaction type that does not allow negative quantities.
  Data Entry Errors: Users may inadvertently enter a negative value due to data entry mistakes or misunderstandings of the system's requirements.
  
  Solution:
  
  Check the Transaction: Review the transaction where the error occurred. Ensure that all quantity fields are populated with positive values. If a negative quantity was entered by mistake, correct it to a positive value.
  Review Material Master Data: Check the material master data for the item in question. Ensure that the settings allow for the intended transactions and that there are no restrictions on negative quantities.
  Configuration Settings: If the issue persists, consult with your SAP configuration team to review the settings related to the specific transaction type. Ensure that the system is configured correctly to handle the requirements for the materials involved.
  User Training: Provide training or documentation to users to prevent future occurrences of this error. Ensure that they understand how to enter quantities correctly in the system.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME21N (Create Purchase Order), ME22N (Change Purchase Order), or CO01 (Create Production Order) where this error might occur.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Debugging: If you have access to debugging tools, you can analyze the program logic to identify where the negative quantity is being generated or processed.
  
  If the problem continues after following these steps, it may be beneficial to engage with SAP support or your internal SAP team for further investigation.