How To Fix 06666 - Special proc. type & not allowed with external procurement

SAP Error Message - Details

• Message type: E = Error

• Message class: 06 -

• Message number: 666

• Message text: Special proc. type & not allowed with external procurement

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 06666 - Special proc. type & not allowed with external procurement ?

  The SAP error message "06666 Special proc. type & not allowed with external procurement" typically occurs when there is an attempt to use a special procurement type that is not compatible with external procurement processes in SAP. This error is often encountered in the context of materials management, particularly when dealing with procurement types in purchasing documents or material master records.
  
  Cause:
  
  Incompatible Special Procurement Type: The special procurement type defined for the material is not allowed for external procurement. For example, certain special procurement types may be designated for internal production or stock transfer, and using them in a purchasing context can trigger this error.
  
  Configuration Issues: The configuration settings in the material master or purchasing info records may not align with the intended procurement strategy.
  Material Master Settings: The material master record may have been set up incorrectly, leading to the use of a special procurement type that is not valid for