Message type: E = Error
Message class:  CNV_CMIS_A_10 - message class for repository analysis 
Message number: 017
Message text: You have not selected any Object.All objects will be selected.
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_CMIS_A_10017 typically occurs in the context of data migration or conversion processes, particularly when using the SAP Conversion Management Information System (CMIS). This error indicates that the user has not selected any objects for processing, and as a result, the system is unable to proceed with the operation.
Cause: The primary cause of this error is that the user has not selected any objects (such as data records, tables, or other entities) that are required for the migration or conversion process. This can happen due to: User Oversight: The user may have overlooked selecting the necessary objects before executing the process.
Configuration Issues: There may be issues in the configuration of the migration tool or the selection criteria that prevent objects from being displayed or selected. System Bugs: Occasionally, there may be bugs or glitches in the SAP system that prevent the selection of objects.
Solution: To resolve the error CNV_CMIS_A_10017, you can
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_CMIS_A_10016 Error while refreshing ALV display.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_CMIS_A_10015 Error while displaying ALV grid
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_CMIS_A_10018 Repository Selection made:
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_CMIS_A_10019 #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.