Message type: E = Error
Message class:  CNV_IUUC_TCR_REMOTE - Messages for remote components of transactional consistent 
Message number: 026
Message text: There are still unprocessed logging table records in logging tables:
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 CNV_IUUC_TCR_REMOTE026 typically indicates that there are unprocessed records in the logging tables related to the SAP Landscape Transformation (SLT) replication process. This error often arises during data replication or transformation processes, particularly when using the SAP Data Services or SLT for data migration or replication.
Cause: Unprocessed Records: The primary cause of this error is that there are still records in the logging tables that have not been processed. This can happen due to various reasons, such as: Network issues causing interruptions in data transfer. Configuration issues in the SLT setup. Performance issues leading to delays in processing. Errors in the data that prevent successful processing. Replication Configuration: Incorrect or incomplete configuration of the SLT replication settings can also lead to unprocessed records. Data Consistency Issues: If there are inconsistencies or errors in the data being replicated, it may cause the replication process to halt or skip records.
Solution: To resolve the CNV_IUUC_TCR_REMOTE026 error, you can
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_IUUC_TCR_REMOTE025 Database system &1 is not supported
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_IUUC_TCR_REMOTE024 Class SQL_STATEMENT has not created
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_IUUC_TCR_REMOTE027 Postprocessing Job cancelled on request
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_IUUC_TCR_REMOTE028 DB procedure was set to status invalid and is therefore disabled
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.