How To Fix W_DSD_01019 - All displayed material-store combinations have a main supplier assignment

SAP Error Message - Details

• Message type: E = Error

• Message class: W_DSD_01 - Global message class for DSD

• Message number: 019

• Message text: All displayed material-store combinations have a main supplier assignment

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message W_DSD_01019 - All displayed material-store combinations have a main supplier assignment ?

  SAP Error Message:
  
  W_DSD_01019: All displayed material-store combinations have a main supplier assignment
  
  Cause:
  This warning message appears in SAP when you are trying to assign or change the main supplier for material-store combinations, but all the combinations you are viewing or processing already have a main supplier assigned. Essentially, the system is informing you that there is no material-store combination without a main supplier in the current selection, so no new main supplier assignment is necessary or possible.
  This message typically occurs in scenarios such as:
  
  Assigning main suppliers in the Vendor Evaluation or Source List maintenance.
  During Material Master or Purchasing Info Record updates where main supplier assignments are relevant.
  When using transaction codes related to supplier assignment or vendor master data where the system checks for existing main supplier assignments.
  
  
  Solution:
  
  Check the current assignments: Review the material-store combinations you are working with to confirm that they indeed have main suppliers assigned.
  Adjust your selection: If you intended to assign a main supplier to combinations without one, modify your selection criteria to include only those material-store combinations that do not have a main supplier assigned.
  Update or change main supplier: If your goal is to change the main supplier, you need to explicitly perform an update or overwrite the existing assignment rather than trying to assign a main supplier where one already exists.
  Ignore if informational: Since this is a warning (W_ message), it may not block your process. If the message is just informational and your process is correct, you can proceed.
  
  
  Related Information:
  
  
  Transaction Codes:  
  
  ME01 (Maintain Source List)  
  ME02 (Change Source List)  
  MM02 (Change Material Master)  
  Vendor evaluation and source determination transactions.
  
  
  
  SAP Notes:
  
  Check SAP Notes related to main supplier assignment and source list maintenance if you encounter issues beyond this warning.
  
  
  Configuration:
  
  Main supplier assignment is often controlled in the purchasing and vendor master data configuration. Ensure that your organizational data and master data are consistent.
  
  
  Documentation:
  
  Refer to SAP Help Portal or your organization's SAP documentation on vendor and source list management for detailed procedures on main supplier assignment.
  
  
  
  If you provide the exact transaction or process where this message appears, I can give more tailored advice.