How To Fix WP639 - Internal error: incorrect supplier/movement indicator grouping

SAP Error Message - Details

• Message type: E = Error

• Message class: WP - Messages from POS interface

• Message number: 639

• Message text: Internal error: incorrect supplier/movement indicator grouping

Self-Explanatory Message

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• What is the cause and solution for SAP error message WP639 - Internal error: incorrect supplier/movement indicator grouping ?

  SAP Error Message:
  
  WP639 - Internal error: incorrect supplier/movement indicator grouping
  
  Cause
  This error typically occurs during the processing of goods movements or invoice verification in SAP MM (Materials Management) when there is an inconsistency or incorrect grouping of supplier and movement indicators in the system. Specifically, it happens when the system detects that the combination of supplier and movement indicator in the document does not conform to the expected grouping rules defined in the configuration.
  In other words, the system expects certain movement types (goods receipt, goods issue, etc.) to be linked with specific supplier indicators (e.g., vendor, stock transfer, etc.), and if this linkage is incorrect or inconsistent, the error WP639 is triggered.
  Common scenarios causing this error include:
  
  Incorrect or inconsistent configuration of movement types and their assignment to supplier/movement indicator groups.
  Customizing errors in the movement indicator grouping in transaction OMJJ or related configuration tables.
  Data inconsistencies in the document being posted (e.g., purchase order, goods receipt, or invoice document).
  Issues in the interface or data transfer where supplier or movement indicators are incorrectly mapped.
  
  
  Solution
  
  
  Check Configuration of Movement Indicator Grouping:
  
  Use transaction OMJJ (or the relevant customizing path) to review the assignment of movement types to supplier/movement indicator groups.
  Ensure that the movement type used in the document is correctly assigned to the appropriate supplier/movement indicator group.
  Correct any inconsistencies or missing assignments.
  
  
  
  Verify Document Data:
  
  Check the document (purchase order, goods receipt, invoice) causing the error.
  Ensure that the supplier and movement indicators are consistent and valid.
  Look for any manual changes or incorrect entries that might have caused the mismatch.
  
  
  
  Check for Custom Enhancements or User Exits:
  
  If there are any custom developments or user exits influencing the movement indicator or supplier grouping, verify that they are working correctly and not causing the inconsistency.
  
  
  
  Debugging:
  
  If the error persists, debugging the standard SAP program where the error is raised can help identify the exact cause.
  The error message WP639 is usually raised in function modules or programs related to goods movement or invoice verification.
  
  
  
  SAP Notes and Support:
  
  Search for SAP Notes related to WP639 for any known issues or patches.
  If no solution is found, consider raising a support ticket with SAP, providing the document details and system logs.
  
  
  
  
  Related Information
  
  Transaction OMJJ: Customizing for movement types and their grouping.
  Movement Types: Define the type of goods movement (e.g., 101 for goods receipt, 201 for goods issue).
  Supplier/Movement Indicator Grouping: Used internally by SAP to validate and process goods movements correctly.
  Goods Movement and Invoice Verification: Processes where this error commonly occurs.
  SAP Notes: Check SAP Service Marketplace or SAP ONE Support Launchpad for notes mentioning WP639.
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Error Message
  WP639 - Internal error: incorrect supplier/movement indicator grouping
  
  
  Cause
  Inconsistent or incorrect assignment of movement types to supplier/movement indicator groups in configuration or document data.
  
  
  Solution
  Review and correct movement type grouping in OMJJ, verify document data, check custom code, debug if necessary.
  
  
  Related Transactions
  OMJJ (movement type grouping), MIGO (goods movement), MIRO (invoice verification)
  
  
  Additional Help
  SAP Notes, SAP Support, debugging standard SAP programs
  
  
  
  
  If you provide the exact transaction or scenario where the error occurs, I can help with more specific steps.