How To Fix MM177 - The source of supply & does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 177

• Message text: The source of supply & does not exist

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MM177 - The source of supply & does not exist ?

  The SAP error message MM177 ("The source of supply & does not exist") typically occurs in the Materials Management (MM) module when the system cannot find a valid source of supply for a material in the purchasing process. This can happen during various transactions, such as creating a purchase order or a purchase requisition.
  Causes of MM177 Error
  
  
  Missing Source of Supply: The most common cause is that there is no valid source of supply (vendor or contract) defined for the material in the system.
  
  
  Incorrect Material Master Data: The material master may not have been set up correctly, or the relevant purchasing information may be missing.
  
  
  Vendor Data Issues: The vendor may not be active, or there may be issues with the vendor master data.
  
  
  Purchasing Info Record: There may be no purchasing info record created for the material and vendor combination.
  
  
  Plant-Specific Data: The source of supply may not be defined for the specific plant you are working with.
  
  
  Purchasing Organization: The purchasing organization may not be correctly assigned to the vendor or material.
  
  
  Solutions to MM177 Error
  
  
  Check Material Master: Verify that the material master record is correctly set up. Ensure that the purchasing view is maintained and that the relevant data is filled in.
  
  
  Create or Update Purchasing Info Record: If there is no purchasing info record for the material and vendor, create one. You can do this using transaction code ME11.
  
  
  Check Vendor Master Data: Ensure that the vendor is active and that the necessary purchasing data is maintained. You can check this using transaction code XK03.
  
  
  Define Source List: If applicable, ensure that a source list is defined for the material. You can create or update the source list using transaction code ME01.
  
  
  Check Plant and Purchasing Organization: Make sure that the material is assigned to the correct plant and that the purchasing organization is set up correctly.
  
  
  Review Purchase Requisition: If the error occurs while processing a purchase requisition, check the requisition for any inconsistencies or missing data.
  
  
  Consult with Procurement Team: If you are unsure about the setup or need further assistance, consult with your procurement or materials management team for guidance.
  
  
  Related Information
  
  
  Transaction Codes:
  
  ME11: Create Purchasing Info Record
  ME12: Change Purchasing Info Record
  ME13: Display Purchasing Info Record
  XK03: Display Vendor
  ME01: Create Source List
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on managing material master data, vendor data, and purchasing info records.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  
  By following these steps, you should be able to identify the cause of the MM177 error and implement the necessary solutions to resolve it.