Message type: E = Error
Message class:  CNV_MBT_IS - Message Class of Industry Solutions 
Message number: 004
Message text: Only one Industry Solution can be selected at a time.
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The SAP error message CNV_MBT_IS004 indicates that during a migration or conversion process, the system has detected that multiple Industry Solutions have been selected, which is not allowed. The error message specifically states that only one Industry Solution can be selected at a time.
Cause: This error typically occurs in the context of data migration or system conversion processes, particularly when using SAP's Migration Cockpit or similar tools. The cause of the error is that the user has attempted to select more than one Industry Solution in the configuration settings, which is against the system's requirements.
Solution: To resolve this error, follow these steps: Review Selected Industry Solutions: Go to the configuration settings where you have selected the Industry Solutions. Check if multiple solutions are selected. Deselect Additional Solutions: If you find that more than one Industry Solution is selected, deselect all but one. Ensure that only one Industry Solution is active. Save Changes: After making the
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CNV_MBT_IS003 No Industry Solution Selected.
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_IS002 No more changes will be allowed to the selection after you activate it.
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CNV_MBT_IS005 Industry Solution & has already been activated.
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CNV_MBT_IS006 Industry Solution & activated.
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