Message type: E = Error
Message class:  CNV_DMC_WDA - Messages used in WDA UI 
Message number: 098
Message text: You are not authorized to open the migration object
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_DMC_WDA098 indicates that a user is not authorized to open a specific migration object during a data migration process, typically in the context of SAP S/4HANA migrations or data conversions.
Cause: The error usually arises due to one of the following reasons: Insufficient Authorizations: The user does not have the necessary authorizations assigned to access the migration object. Role Assignment: The required roles or profiles that include the necessary permissions for the migration object are not assigned to the user. Object-Specific Restrictions: There may be specific restrictions or settings in the migration object that limit access based on user roles.
Solution: To resolve this error, you can take the following steps: Check User Authorizations: Use transaction code SU53 immediately after encountering the error to check the authorization check that failed. This will provide insights into which specific authorization is missing. Review Role Assignments: Go to transaction PFCG to review the roles assigned to the user. Ensure that
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_DMC_WDA096 Active view is required; Select an active view
What causes this issue?  The active view is not specified. One possible reason is that the default view is not available for this migration object.Sys...
CNV_DMC_WDA095 Select an active view before you start a synchronization
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_DMC_WDA099 You are not authorized to transfer data
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_DMC_WDA100 Project named &1 already exists in another language; use a different name
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.