there is another post with the same issue
https://forum.rclone.org/t/strict-sftp-environment-makes-it-impossible-to-do-checksum/26939
have you modified sshd_config
or using ForceCommand internal-sftp
there is another post with the same issue
https://forum.rclone.org/t/strict-sftp-environment-makes-it-impossible-to-do-checksum/26939
have you modified sshd_config
or using ForceCommand internal-sftp