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How To Fix WP410 - Transaction type & cannot be converted


SAP Error Message - Details

  • Message type: E = Error

  • Message class: WP - Messages from POS interface

  • Message number: 410

  • Message text: Transaction type & cannot be converted

  • Show details Hide details
  • What causes this issue?

    The conversion rule for transaction type &V1& is unknown.

    System Response

    The relevant record cannot be prepared in POS - interface outbound
    processing. The relevant record cannot be posted in the SAP system in
    POS - interface inbound processing.

    How to fix this error?

    <DS:SIMG.W_DF_VK_0120.SIMG_OPOS>Define a conversion rule for the
    transaction type</>.

    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message WP410 - Transaction type & cannot be converted ?

    The SAP error message:

    WP410: Transaction type & cannot be converted


    Cause:

    This error occurs when you attempt to convert a transaction type in the Work Breakdown Structure (WBS) element or project system, but the system cannot perform the conversion because the transaction type is either not defined for conversion or the conversion rules are missing or incorrect.

    In SAP Project System (PS), transaction types are used to categorize and process different types of transactions (e.g., costs, revenues). When you try to convert or post transactions, the system uses predefined conversion rules to map these transaction types to appropriate accounts or cost elements.

    If the transaction type you are trying to convert is not maintained in the conversion rules or the system does not know how to handle it, the error WP410 is triggered.


    Common Scenarios:

    • Posting costs or revenues to a WBS element or network activity where the transaction type is not properly configured.
    • Using a transaction type in a process (e.g., settlement, confirmation, or posting) that is not supported or missing in the conversion table.
    • Custom transaction types created but not maintained in the conversion rules.

    Solution:

    1. Check Transaction Type Configuration:

      • Go to transaction OKB9 (or relevant IMG path) to check the transaction type conversion settings.
      • Verify if the transaction type in question is maintained in the conversion rules for the relevant controlling area and cost element.
    2. Maintain Conversion Rules:

      • If the transaction type is missing, maintain the conversion rules for it.
      • This involves defining how the transaction type should be converted to cost elements or accounts.
    3. Verify IMG Settings:

      • In the Implementation Guide (IMG), navigate to: Controlling -> Cost Element Accounting -> Master Data -> Transaction Types -> Maintain Transaction Type Conversion
      • Ensure the transaction type is assigned correctly.
    4. Check Customizing for Project System:

      • Sometimes, the error can be related to missing or incorrect settings in PS customizing.
      • Verify the transaction type assignments in PS under: Project System -> Basic Settings -> Transaction Types
    5. Review User Exits or Enhancements:

      • If custom logic is implemented, check if any user exits or BAdIs are interfering with transaction type conversion.
    6. Testing:

      • After maintaining the conversion rules, test the transaction again to confirm the error is resolved.

    Related Information:

    • Transaction Types in SAP PS: Used to classify postings and control how costs and revenues are processed.
    • Conversion Rules: Define how transaction types map to cost elements or GL accounts.
    • IMG Path for Transaction Type Conversion:
      Controlling -> Cost Element Accounting -> Master Data -> Transaction Types -> Maintain Transaction Type Conversion
    • Common Transactions:
      • OKB9 - Maintain transaction type conversion
      • CJ20N - Project Builder (where postings might be triggered)
    • SAP Notes: Check SAP Service Marketplace for notes related to WP410 if the problem persists after configuration.

    If you provide the specific transaction type code or context (e.g., posting, settlement), I can help with more targeted advice.

    • Do you have any question about this error?


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