How To Fix MD385 - Negative values not allowed for field &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: MD - Material Requirements Planning (MRP)

• Message number: 385

• Message text: Negative values not allowed for field &1.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MD385 - Negative values not allowed for field &1. ?

  The SAP error message MD385, which states "Negative values not allowed for field &1," typically occurs in the context of Material Requirements Planning (MRP) or inventory management. This error indicates that a negative value has been entered in a field where only positive values are permitted. The field referenced by "&1" will vary depending on the specific context of the error.
  Causes:
  
  Negative Stock Values: This error can occur if there is an attempt to enter a negative quantity for stock levels, such as in inventory adjustments or stock transfers.
  Incorrect Data Entry: Users may inadvertently enter negative values in fields that are not designed to accept them, such as planned orders, purchase requisitions, or production orders.
  Configuration Issues: There may be configuration settings in the MRP or inventory management modules that do not allow negative values for certain fields.
  Data Consistency Issues: If there are inconsistencies in the data, such as incorrect postings or transactions that lead to negative stock levels, this error may arise.
  
  Solutions:
  
  Check Input Values: Review the values being entered in the transaction. Ensure that all quantities are positive and that no negative values are being submitted.
  Review Stock Levels: Check the stock levels in the relevant material master records to ensure that they are accurate and do not reflect negative quantities.
  Adjust Inventory: If negative stock levels are found, perform necessary inventory adjustments to correct the stock levels. This may involve posting stock corrections or conducting a physical inventory count.
  Configuration Review: If the error persists, review the configuration settings in the MRP or inventory management modules to ensure that they are set up correctly to handle the expected data.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the field in question (indicated by "&1") to understand its constraints and requirements.
  Contact Support: If the issue cannot be resolved through the above steps, consider reaching out to your SAP support team or consulting with SAP experts for further assistance.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to MRP, such as MD01 (MRP Run), MD02 (Single-item, Multi-level Planning), or during inventory management transactions like MIGO (Goods Movement).
  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.
  User Training: Ensure that users are trained on proper data entry practices to minimize the occurrence of such errors in the future.
  
  By following these steps, you should be able to identify the cause of the MD385 error and implement a solution to resolve it.