Message type: E = Error
Message class:  CNV_CMIS - Message class for CMIS 
Message number: 080
Message text: Rule name &1; old value &2, new value &3
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_CMIS080 typically occurs during data migration processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is a conflict or inconsistency in the data being migrated, specifically related to a rule that is being violated.
Cause: The error message CNV_CMIS080 is triggered when: A specific rule (denoted by &1) is not being adhered to during the data migration. The old value (&2) does not match the expected value, or the new value (&3) is not valid according to the defined rules or constraints in the target system. This can happen due to: Data inconsistencies in the source system. Incorrect mapping of fields between the source and target systems. Business rules that are not being satisfied by the incoming data.
Solution: To resolve the CNV_CMIS080 error, you can take the following steps: Review the Error Message: Check the specific rule name (&1) mentioned in the error message to understand
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_CMIS079 New mapping entries have been added to the mapping table &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_CMIS078 &1 entries have been added to table &2
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_CMIS081 Empty logical system name for &1 system is not allowed
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_CMIS082 Migration object &1 will be excluded from the transfer
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.