A reference is the only Required set of fields in a new nanopub. Highlight those fields as required and provide a more explicit notification message if someone tries to submit a nanopub without the reference. The reference requirement is in the OpenBEL API POST endpoint.
Required fields are now marked as such in BEL Editor and the Toastr/notification/error response indicates that fields are missing if those fields are undefined.
A reference is the only Required set of fields in a new nanopub. Highlight those fields as required and provide a more explicit notification message if someone tries to submit a nanopub without the reference. The reference requirement is in the OpenBEL API POST endpoint.