Message type: E = Error
Message class:  UR -  
Message number: 486
Message text: You must delete delta requests from the BW system
Note that the changes to the transaction data have already been
replicated to the connected BW system. To ensure data consistency
between and the BW system, you must delete the delta request from the
Cube.
Request ID &V1&
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 UR486, which states "You must delete delta requests from the BW system," typically occurs in the context of SAP BW (Business Warehouse) when there are issues related to delta requests in the data extraction process. This error can arise due to various reasons, such as:
Cause: Delta Queue Overflow: The delta queue may have accumulated too many requests, leading to a situation where the system cannot process new requests. Data Consistency Issues: There may be inconsistencies in the data that prevent the delta requests from being processed correctly. Technical Issues: There could be technical problems with the data source or the extraction process that are causing the delta requests to fail.
Configuration Issues: Incorrect configuration of the data source or the InfoPackage can lead to this error.
Solution: To resolve the UR486 error, you can follow these steps: Check Delta Queue: Go to transaction RSA7 to check the delta queue for the specific data
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
UR485 Packet &1 cancelled in the transaction data
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
UR484 Derivation strategy &1 is still being used and cannot be deleted
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
UR487 No strategies found for transport
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
UR488 Realignment run &1 does not exist
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.