What should I do if I get a MicroSD Card Error?
Check if the MicroSD card is inserted properly, verify the card is not full, check if it is corrupted, and confirm it is compatible with the camera. If there is an error reading/writing to the MicroSD card, remove the card and restart the device. Only FAT16, FAT32 and exFAT formats are supported, and Class 10 or above is recommended.
From the official Canon Ivy REC Rugged Action Camera manual, page 16
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