Message type: E = Error
Message class:  CNV - Conversion: Messages for Conversion Services (CNCC) 
Message number: 076
Message text: Table & has same sequence number as dependent cluster 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 CNV076 indicates that there is a conflict with the sequence numbers of a table and its dependent cluster tables during a data migration or conversion process. This typically occurs in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion programs.
Cause: The error arises when: A table (let's call it Table A) has a sequence number that is the same as one or more of its dependent cluster tables (e.g., Table B, Table C). This situation can occur due to incorrect configuration, data inconsistencies, or issues during the data migration process.
Solution: To resolve the CNV076 error, you can follow these steps: Identify the Tables: Determine which table is causing the issue and which dependent cluster tables are involved. The error message should provide the name of the table (Table A). Check Sequence Numbers: Review the sequence numbers assigned to the tables. You can do
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV075 For table &1, no view was created.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV074 Cluster technique is not used
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV077 Transparent key fields are changed in table &. No cluster technique.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV078 Table &1 configured not to use optimized cluster technique.
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.