I got errors, it turned out the problem was I nicknamed them "imm0008[generic]" and it look the system doesn't support special characters like [ ]Anyone had issues when uploading documents. I got two errors for work authorization and police certificate. I was able to upload the work authorisation form I got after applying for pgwp and the police certificate receipt but I was not able to upload the letter explaining.
Plus didn't know e-APR was the LOE. No information to help whatsoever.