Canon EOS M200 Advanced User's Manual page 481

Shooting-Related Problems
The lens cannot be attached.
To attach EF/EF-S lenses, you will need a mount adapter. The camera
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cannot be used with RF lenses.
No images can be shot or recorded.
Make sure the card is properly inserted ( = 48).
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Slide the card's write-protect switch to the Write/Erase setting ( = 48).
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If the card is full, replace the card or delete unnecessary images to make
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space ( = 48, = 279).
Shooting is not possible if the AF point turns orange when you attempt to
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focus. Press the shutter button halfway again to refocus automatically, or
focus manually ( = 59, = 187).
The card cannot be used.
If a card error message is displayed, see = 50 or = 495.
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An error message is displayed when the card is inserted in
another camera.
Since SDXC cards are formatted in exFAT, if you format a card with this
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camera and then insert it into another camera, an error may be displayed
and it may not be possible to use the card.
Troubleshooting Guide
481