Moodle web service error message is definitely vague, very vague.
I needed another eye to do the comparison => the difference is the page = 0 parameter
I needed another eye to do the comparison => the difference is the page = 0 parameter
in the quiz we tested this parameter is not indispensable and it is the cause of the error. We thought that we are on the first page of the quiz but the quiz just have one page so it has to be not used, how we can know that 😅 ... after 3 days of impediment ...