Many connectors create invalid datasets

[AlexGilleran]

Describe the bug
At the moment I'm noticing that all the following connectors are going very slowly because they're creating datasets that the registry doesn't think are valid:

connector-actmapi-1584194400-9qzjk           1/1     Running     0          6h35m
connector-aims-1584194400-8wr9b              1/1     Running     0          6h35m
connector-aodn-1584194400-4gknb              1/1     Running     0          6h35m
connector-dap-1584799200-84cht               1/1     Running     0          6h35m
connector-ga-1584194400-nlpdq                1/1     Running     0          6h35m
connector-logan-1584194400-99z7b             1/1     Running     1          16h
connector-marlin-1584194400-57xz9            1/1     Running     0          6h35m
connector-sdinsw-1585404000-44hd6            1/1     Running     0          6h35m