Canon EOS RP Instruction Manual page 718

Responding to Error Messages
151: Transmission canceled
Automatic image transfer to the computer was somehow interrupted.
z
To resume automatic image transfer, set the camera's power switch
g
to < 2 >, and then set it to < 1 >.
152: Card's write protect switch is set to lock
Is the card's write protect switch set to the locked position?
z
Slide the card's write protect switch to the writing position.
g
510