Fixed the internal error for selecting disturbances

Selecting disturbance and trigger Go button produces : Internal Error ->
This error is reproducible by doing the steps below:

Through DASHBOARD: Dashboard -> Select an email -> Select a Disturbance
-> Click Start Nutricheck -> Click the Go button under the Disturbance
field.
Through QUESTIONS: Questions -> Select Disturbance -

> Click Go button (regardless if email is provided or not)