Sonarr + Spotweb not finding anything?

Automatic search with Sonarr does not return any results from nzbmegasearch, which includes spotweb :
Manual search returns 5 hits - only 1 from spotweb, Sonarr executes:

http://10.0.0.200:8086/api?t=tvsearch&cat=5030,5040&extended=1&apikey=xxxx&offset=0&limit=100&rid=24493&season=5&ep=10

When executing on commandline:

curl --request GET 'http://10.0.0.200:8086/api?t=tvsearch&cat=5030,5040&extended=1&apikey=xxxx&offset=0&limit=100&rid=24493&season=5&ep=10'

12 results are returned from spotweb.
Why don’t I see these results in Sonarr ? No filters have been set

How many results does Sonarr say its processing?
Do the results have a unique GUID?