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Dynamics 365 Community / Forums / Finance | Project Operations, Human Resources, ... / The report parameter i...
Finance | Project Operations, Human Resources, ...
Answered

The report parameter is read-only and cannot be modified in D365FO

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Posted on by CU09091357-0 596
I have a custom Purchase Order Confirmation report in D365FO that is configured via Print Management.
The report is a customization of the standard PurchPurchaseOrder report.

When confirming a Purchase Order, the document processing fails with the following error:
"The report parameter 'isPurchConfirmationRequestJournal' is read-only and cannot be modified."
 
Categories:
Microsoft Dynamics AX
Dynamics 365 Finance
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  • Verified answer
    CU09091357-0 Profile Picture
    CU09091357-0 596 on at
    The problem had nothing to do with the report parameter configuration itself.
    The real root cause was using the wrong PrintMgmtDocumentType enum value.
     
    I was using:
    PrintMgmtDocumentType::PurchaseOrderConfirmationRequest
    When the correct value for the standard Purchase Order Confirmation is:
    PrintMgmtDocumentType::PurchaseOrderRequisition
     
    PurchaseOrderConfirmationRequest routes through PurchConfirmationRequestController instead of the standard PurchPurchaseOrderController.
    That controller's modifyContract() method calls parmIsPurchConfirmationRequestJournal(true) at runtime, which is what triggered the read-only parameter error on my custom report.
     
    Switching to PurchaseOrderRequisition fixed multiple issues at once:
    - The parameter is read-only error is gone
    - The custom report now appears correctly in Print Management
     
    Hope this saves someone else the debugging time!

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