Message type: E = Error
Message class:  FVD_LOAN - Messages for the Contract Object in the Business Operations 
Message number: 037
Message text: Unreleased flow data exists for loan &1
Unreleased flow data exists for loan &V1&.
This can be caused by the following:
The loan &V1& itself has only just been created or changed
There is already a business operation for the loan in the release
workflow
There is a reversal for the loan in the release workflow
You cannot enter (another) business operation for the loan &V1& or you
cannot continue processing the existing business operation until the
flow data for the loan is released.
You need to release the flow data for the loan &V1&.
To do so, check whether:
The loan &V1& itself is in the release workflow
There is already a business operation for the loan in the release
workflow
There is a reversal for the loan &V1& in the release workflow
Release these work items first.
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.
The SAP error message FVD_LOAN037 indicates that there is unreleased flow data associated with a loan in the system. This typically occurs in the context of financial transactions related to loans, where certain data entries have not been processed or released, preventing further actions on the loan.
Cause: The error is usually caused by one of the following reasons: Unreleased Flow Data: There are pending or unreleased transactions related to the loan that need to be processed before any further actions can be taken. Incomplete Processing: The flow data might not have been fully processed due to system errors, user errors, or incomplete entries.
Configuration Issues: There may be configuration settings in the loan management module that are not set up correctly, leading to this error.
Solution: To resolve the error, you can follow these steps: Check for Unreleased Flow Data: Use transaction codes like FBL1N (Vendor Line Item Display) or FBL3N (G/L Account Line Item Display) to check
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