Message type: E = Error
Message class:  IUEEDPPLOTA - Deregulation: Distribution of Aggregated Payments 
Message number: 298
Message text: Reversal not allowed (status &2) for distribution lot &1
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
Unfortunately, there isn't any extra information in this error notice.
First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).
Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.
You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.
The SAP error message IUEEDPPLOTA298 indicates that a reversal is not allowed for a distribution lot due to its current status. This error typically occurs in the context of inventory management or logistics when attempting to reverse a transaction related to a distribution lot that is not in a state that allows for reversal.
Cause: The error message is triggered when you try to reverse a transaction (like a goods movement or a delivery) for a distribution lot that has a status that does not permit reversal. Common statuses that might prevent reversal include: The lot has been fully consumed or used. The lot is in a status that indicates it has been processed or finalized (e.g., delivered, invoiced). The lot is locked or has been marked for some other processing that prevents changes.
Solution: To resolve this error, you can take the following steps: Check the Status of the Distribution Lot: Use transaction codes like IQ03 (Display Batch)
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
IUEEDPPLOTA297 No parameter configuration found for service provider &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
IUEEDPPLOTA296 Determination of bank clearing accounts completed
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
IUEEDPPLOTA299 Offsetting entry for dist. lot item already made using rev. dist. lot
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
IUEEDPPLOTA300 Cannot determine clearing type for distribution lot from SP agreement
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.