How To Fix C5640 - -----------------------Material quantity calculation--------------------

SAP Error Message - Details

• Message type: E = Error

• Message class: C5 - Master Recipe

• Message number: 640

• Message text: -----------------------Material quantity calculation--------------------

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message C5640 - -----------------------Material quantity calculation-------------------- ?

  The SAP error message C5640, which pertains to "Material quantity calculation," typically occurs during the processing of material requirements planning (MRP) or when performing inventory management tasks. This error can arise due to various reasons related to the configuration of materials, the settings in the MRP, or issues with the data being processed.
  Causes of Error C5640
  
  
  Incorrect Material Master Data: The material master data may be incomplete or incorrectly configured. This includes missing or incorrect data in fields such as base unit of measure, lot size, or valuation type.
  
  
  MRP Settings: The MRP settings for the material may not be properly defined. This includes settings related to planning strategies, lot sizing procedures, or MRP type.
  
  
  Stock Levels: There may be discrepancies in stock levels, such as negative stock or stock that is not properly accounted for in the system.
  
  
  BOM Issues: If the material is part of a Bill of Materials (BOM), there may be issues with the BOM configuration, such as missing components or incorrect quantities.
  
  
  Routing Issues: If the material is linked to a routing, there may be issues with the routing data that affect the quantity calculation.
  
  
  Solutions to Error C5640
  
  
  Check Material Master Data: Review the material master data for the affected material. Ensure that all required fields are filled out correctly, including the base unit of measure and other relevant settings.
  
  
  Review MRP Settings: Check the MRP settings for the material. Ensure that the planning strategy, lot size, and MRP type are correctly configured.
  
  
  Validate Stock Levels: Use transaction codes like MB52 or MMBE to check stock levels. Ensure that there are no negative stocks or discrepancies that could affect the quantity calculation.
  
  
  Examine BOM and Routing: If applicable, check the BOM and routing for the material. Ensure that all components are correctly defined and that the quantities are accurate.
  
  
  Run MRP Again: After making any necessary corrections, run the MRP process again to see if the error persists.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that resolve known issues.
  
  
  Debugging: If the issue persists, consider debugging the process to identify the exact point of failure. This may require assistance from a technical consultant or SAP support.
  
  
  Related Information
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), MD01 (MRP Run), and CS01 (Create BOM) to manage material data effectively.
  
  
  SAP Documentation: Refer to SAP Help documentation for detailed information on material management, MRP processes, and error handling.
  
  
  User Forums and Communities: Engage with SAP user communities and forums where similar issues may have been discussed, providing insights and potential solutions.
  
  
  If the error persists after following these steps, it may be beneficial to involve your SAP support team or a consultant with expertise in SAP MM (Materials Management) and MRP processes.