When proceeding to the Assessment phase I always get the error message ERROR: Incorrect number of query parameters. Expected 10, got 0. Where 10 is the number of users enrolled on the course (obviously this changes depending on how many users are enrolled in the course).

I tested this in integration/MOODLE_23_STABLE and it doesn't happen there so it is a problem introduced in 2.4.

To recreate:

1. In integration/master (2.4) create a workshop.
2. Fill in the default options and make any student submissions so that the workshop can proceed easily to the Assessment phase.
3. Advance to the assessment phase.

Expected result:

• The workshop grades report appears.

Actual result:

• The error: "ERROR: Incorrect number of query parameters. Expected 10, got 0. when entering assessment phase", appears onscreen.