Message type: E = Error
Message class:  IUEEDPPLOTA - Deregulation: Distribution of Aggregated Payments 
Message number: 061
Message text: Individual bill items already cleared by payment lot
It was determined, when selecting items to be distributed, that
individual items have already been cleared by distribution lots. The
detail display for this message contains a list of the affected lots.
The items in question are not copied again.
To nevertheless copy the items in distribution lots, check the clearing
status. If necessary, carry out a mass reversal of the corresponding
reconciliation key.
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 IUEEDPPLOTA061 indicates that individual bill items have already been cleared by a payment lot. This typically occurs in the context of financial transactions where an attempt is made to process or clear items that have already been settled or cleared in a previous payment run.
Cause: Duplicate Processing: The error often arises when there is an attempt to process a payment lot that includes items that have already been cleared in a previous payment run. Incorrect Payment Lot: The payment lot being processed may include items that are not eligible for further processing because they have already been settled. Data Integrity Issues: There may be inconsistencies in the data, such as incorrect references or missing updates in the system.
Solution: Check Payment Lot: Review the payment lot you are trying to process. Ensure that it does not include items that have already been cleared. You can do this by checking the status
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