I am not sure if this has been mentioned yet...but...this trick seems to have worked for me. I did this about 4 weeks ago and have not had the pop up since. Here is what i did.... 1) power down the phone. 2) remove the SD card tray from the phone and remove the SD card. 3) Reinsert the SD card tray with no SD card into the phone. 4) power up the phone. 5) open google photos or any other apps you think may be causing issues. let the phone run for a little bit. 6) power down the phone 7) remove the SD card tray from the phone and insert the SD card back onto the SD card tray. 8) Reinsert the SD card tray with the SD card into the phone. 9) power up the phone. 10) come back to this thread and thank me. :-) This does NOT work. The error comes back after some time.
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