I’m getting this message without (it seems) any major ill effects:
sd main:MESSAGE:2021-03-11 07h39.30 utc:879523: openvas 20.8.1 started sd main:WARNING:2021-03-11 07h39.30 utc:879523: There was a problem trying to load gb_hp_systems_insight_manager_http_detect.nasl, a dependency of HP Systems Insight Manager Arbitrary File Download Vulnerability. This may be due to a parse error, or it failed to find the dependency. Please check the path to the file.
OTOH, a file of similar name does exist: