Is this something we did perhaps ... or potentially a bug?
Under Course Administration > grades Then Grade Administration > Setup > Course Grade Settings
Coding error detected, it must be fixed by a programmer: Invalid $CFG->grade_minmaxtouse value.
Debug info:
Error code: codingerror
Error code: codingerror
Stack trace:
- line 73 of /grade/edit/settings/form.php: coding_exception thrown
- line 226 of /lib/formslib.php: call to course_settings_form->definition()
- line 50 of /grade/edit/settings/index.php: call to moodleform->moodleform()