Uploading an exam fails with an error if multiple LTI items have been launched

numbas / numbas-lti-provider

An LTI tool provider to run Numbas exams

https://docs.numbas.org.uk/lti/en/latest/

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Closed georgestagg closed 3 years ago

georgestagg commented 4 years ago

Steps to reproduce:

The error "Forbidden (403) CSRF verification failed. Request aborted." is shown.

christianp commented 3 years ago

This is an instance of #63.