Message type: E = Error
Message class:  CNV20201 -  
Message number: 060
Message text: The rule is not maintained completely
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 CNV20201060, which states "The rule is not maintained completely," typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that a specific rule or configuration required for the data migration process is incomplete or missing necessary information.
Cause: Incomplete Rule Definition: The migration rule that you are trying to use may not have all the required fields or parameters filled out. Missing Mapping: There may be missing mappings between source and target fields in the migration template.
Configuration Issues: The configuration settings for the migration process may not be set up correctly. Data Quality Issues: The source data may not meet the expected format or requirements, leading to incomplete rule application.
Solution: Check Rule Configuration: Go to the relevant migration object in the SAP system and review the rules defined for the migration. Ensure that all required fields are filled
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV20201059 The following warnings occurred:
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV20201058 The following errors occurred:
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV20201061 Rule for non-participating subobject
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV20201062 According to CNV_20201_NRIV_O, &1 is not relevant for this package
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.