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One cause of this is that you've applied a preset to this photo that sets the profile to a camera-matching profile that doesn't exist for the a7 IV.
For example, the a7 III has a camera-matching profile Camera Landscape. If you create a preset containing that profile and then apply that preset to a raw from the a7 IV, you'll get "Profile missing":

This is because the a7 IV doesn't have a Camera Landscape profile. And that is because for the a7 IV, Sony has differently named Creative Looks:
https://helpguide.sony.net/ilc/2110/v1/en/contents/TP0002911200.html

If this doesn't explain your situation, then please post a screenshot of the Basic panel showing the photo's profile and error message.