Message type: E = Error
Message class:  CNV_10940_MSG - Message Class for Report Variant Scan 
Message number: 566
Message text: All inconsistent variants are excluded from conversion
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_10940_MSG566 indicates that there are inconsistent variants in the system that are being excluded from a conversion process. This error typically arises during data migration or conversion activities, particularly when using SAP's Conversion Tools or during the SAP S/4HANA migration process.
Cause: The error is caused by the presence of inconsistent or invalid variants in the system. Variants are used to store specific settings for reports or transactions, and if they are not properly defined or if there are discrepancies in their configuration, the conversion process will exclude them to prevent data integrity issues.
Solution: To resolve this error, you can follow these steps: Identify Inconsistent Variants: Use transaction codes like SE38 or SE80 to check the variants associated with the reports or transactions involved in the conversion. You can also use the report RS_VARIANT_CHECK to identify any inconsistencies in the variants. Review and Correct Variants: Once you have identified the inconsistent variants, review their
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_10940_MSG565 All inconsistent variants should be excluded. see long text
What causes this issue?  Activity should not be completd unless all inconsistent varaints are excluded from conversion.System Response  The system iss...
CNV_10940_MSG564 No inconsistent entries found for exclusion
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_10940_MSG567 Inconsistent variants are not excluded from conversion
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_10940_MSG568 No inconsistent variants found &! &2 &3 &4
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.