Message type: E = Error
Message class:  CNV_MBT_46 - PCL message class 
Message number: 184
Message text: No where used information available for &
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_MBT_46184 indicates that there is no "where used" information available for a specific object or entity in the context of a migration or conversion process. This error typically arises during data migration activities, especially when using SAP's Migration Cockpit or similar tools.
Cause: Missing Data: The object you are trying to analyze or convert does not have any associated usage data in the system. This could be due to the object not being used in any configuration or transaction. Incorrect Object Reference: The object reference provided may be incorrect or not exist in the system. Data Consistency Issues: There may be inconsistencies in the data or the metadata that prevent the system from retrieving the "where used" information. Authorization Issues: The user executing the transaction may not have the necessary authorizations to view the "where used" information for the specified object.
Solution: Verify Object Existence: Check if the object you are querying actually
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_MBT_46183 Please fill in the key entries
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_MBT_46182 Line number is a key entry
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_MBT_46185 No selection group assignment possible
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_MBT_46186 Fieldname not maintained
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.