Incorrect behaviour with "undefined" query parameter.

Controller Coffeescript:

User.findOne {where: { confirmation_token: token }}, (err, user) -> ...

if token variable is undefined then I get the following error:

500 TypeError: Cannot read property 'constructor' of undefined

And there are no any reference to the controller which throws above error

Look at the User.findOne method in the ORM's codebase, likely in a model or adapter file. The error suggests the token parameter is undefined when passed to a database query. Start by finding where confirmation_token is processed and add a guard to check for undefined. Run the controller test suite to verify the fix handles undefined without a 500 error.

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