How To Fix WXP664 - Purch. grp &1 is not the same as purc. grp &2 from interface &3

SAP Error Message - Details

• Message type: E = Error

• Message class: WXP - Retail Planning

• Message number: 664

• Message text: Purch. grp &1 is not the same as purc. grp &2 from interface &3

What causes this issue?

You tried to create an allocation table in manual planning. In doing
so, you entered purchasing group &V2& in interface &V3&. You can,
therefore, use purchasing group &V1& as a planning characteristic.

System Response

The allocation table could not be created.

How to fix this error?

Remove the deviation.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WXP664 - Purch. grp &1 is not the same as purc. grp &2 from interface &3 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WXP664 Purch. grp &1 is not the same as purc. grp &2 from interface &3
  
  Meaning / Cause:
  This warning message occurs when there is a mismatch between the purchasing group assigned in the current document (e.g., purchase order, contract) and the purchasing group coming from an external interface or system (such as an IDoc, BAPI, or another integration interface).
  
  Purchasing Group &1: The purchasing group currently maintained in the SAP document.
  Purchasing Group &2: The purchasing group received from the external interface.
  Interface &3: The name or type of the interface (e.g., IDoc type, BAPI name).
  
  The system detects that the purchasing group in the document does not match the purchasing group provided by the interface, which could indicate inconsistent or conflicting data.
  
  Common Causes:
  
  Data inconsistency between SAP and the external system sending the data.
  Manual changes in SAP after the interface data was received.
  Incorrect mapping or configuration in the interface.
  Master data changes not synchronized properly.
  The interface is sending outdated or incorrect purchasing group information.
  
  
  Impact:
  
  The warning indicates a potential data inconsistency but may not stop the document from being processed (depending on configuration).
  Could lead to incorrect assignment of purchasing responsibilities.
  May affect reporting, workflow, or approval processes linked to purchasing groups.
  
  
  Solution / How to Resolve:
  
  
  Verify Purchasing Groups:
  
  Check the purchasing group in the SAP document.
  Check the purchasing group sent by the interface (e.g., in the IDoc or BAPI call).
  
  
  
  Check Interface Data:
  
  Review the data sent from the external system.
  Confirm if the purchasing group sent is correct and up-to-date.
  
  
  
  Master Data Consistency:
  
  Ensure that the purchasing groups are correctly maintained in SAP (transaction OMSG or SPRO path: Materials Management ? Purchasing ? Maintain Purchasing Groups).
  Verify that the external system uses the same purchasing group codes as SAP.
  
  
  
  Interface Configuration:
  
  Check the mapping and transformation rules in the interface.
  Adjust the interface to send the correct purchasing group if necessary.
  
  
  
  Manual Correction:
  
  If the SAP document has the wrong purchasing group, correct it manually if allowed.
  If the interface data is wrong, correct it at the source system.
  
  
  
  Consult Logs and Documentation:
  
  Check application logs (transaction SLG1) for more details.
  Review interface documentation for expected purchasing group values.
  
  
  
  
  Additional Information:
  
  This message is a warning (WXP), so it may not block processing but should be investigated.
  Purchasing groups are key organizational units responsible for procurement activities.
  Consistent purchasing group data is important for workflow routing, approvals, and reporting.
  If this message appears frequently, consider implementing validation or synchronization mechanisms between SAP and external systems.
  
  
  If you provide the interface type (e.g., IDoc type, BAPI name), I can help you with more specific troubleshooting steps related to that interface.
  
  Summary:
  
  The WXP664 warning indicates a mismatch between the purchasing group in SAP and the purchasing group received from an external interface. The solution involves verifying and aligning purchasing group data in both SAP and the external system, checking interface configurations, and correcting master data or interface mappings as needed.