Message type: E = Error
Message class:  CNV_OT_UI - Ui Relevant messages 
Message number: 004
Message text: Exception successfully logged to database
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_OT_UI004 Exception successfully logged to database" typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other tools related to data transfer. This message indicates that an exception or error occurred during the execution of a process, and the details of this exception have been logged in the database for further analysis.
Cause: Data Issues: The most common cause is related to the data being processed. This could include: Invalid data formats. Missing mandatory fields. Data integrity issues (e.g., foreign key constraints).
Configuration Issues: Incorrect configuration settings in the migration tool or the source/target systems can lead to errors. System Performance: Resource constraints (like memory or CPU) during the migration process can also trigger exceptions. Custom Code: If there are custom enhancements or modifications in the migration process, they may not handle certain scenarios correctly. Version Compatibility: Using incompatible versions of SAP components or tools can lead to
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_OT_UI003 No further object found
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_OT_UI002 No object found
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_OT_UI005 No technical information available
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_OT_UI006 Failed to create container
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.