`belongsToMany` associations have undefined output type

[tapvt]

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I've run into an issue regarding belongsToMany relationships. It seems that a type is not generated when there is a join table. This is causing graphcraft to not function using graphql and graphql-http (specifically the express library).

For example:

This is the error: The type of Workorder.WorkorderParts must be Output Type but got: undefined.

We have a Workorder model, a Parts model and a join table, WorkorderParts.

Can anyone provide any guidance as to why this is happening? Is this a known issue or am I just doing something incorrectly?

Thanks in advance.