How To Fix WP607 - Supplier & invalid (only external suppliers are possible)

SAP Error Message - Details

• Message type: E = Error

• Message class: WP - Messages from POS interface

• Message number: 607

• Message text: Supplier & invalid (only external suppliers are possible)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WP607 - Supplier & invalid (only external suppliers are possible) ?

  The SAP error message WP607: "Supplier & invalid (only external suppliers are possible)" typically occurs in the context of work clearance management (WCM) or plant maintenance (PM) processes when you try to assign a supplier that is not recognized as an external supplier in the system.
  
  
  Cause:
  
  The supplier number entered is not flagged as an external supplier in the SAP system.
  The system expects an external supplier (vendor) for the particular transaction or process, but the supplier master data does not meet this requirement.
  This can happen if the supplier is set up as an internal company code or plant, or if the supplier master record is incomplete or incorrectly maintained.
  
  
  
  Solution:
  
  
  Check Supplier Master Data:
  
  Go to transaction XK03 (Display Vendor) or MK03 (Display Vendor - Purchasing).
  Verify that the supplier/vendor is correctly created and flagged as an external vendor.
  Check the Account Group and ensure it is appropriate for external suppliers.
  Check the Purchasing data and Company