It’s the naming, Sonarr can’t easily tell what the file is.
18-5-11 20:14:29.3|Debug|Parser|Parsing string 'E05 - 12pm - 1pm.avi'
18-5-11 20:14:29.4|Debug|Parser|Episode Parsed. E05 - 012
It thinks the series title is
E05 and it’s absolute episode number 12. A file name with the season number included would allow Sonarr to detect it better.
SxxE05 - 12pm - 1pm.avi