Degrade Theme
Maintained by
Eduardo Kraus
The Degrade theme offers a series of pre-programmed colors for you to choose the best one and has amazing support for Dark Mode.
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as long as the Degrade theme was installed, I could not run backups of courses. Here is what output I got (note the fourth line starting with '*'):
Default exception handler: error/multiple_optigroup_duplicate_element Debug:
Error code: multiple_optigroup_duplicate_element
$a contents: courseopts
* line 144 of /backup/util/structure/base_optigroup.class.php: base_optigroup_exception thrown
* line 108 of /backup/util/structure/base_nested_element.class.php: call to base_optigroup->add_used()
* line 173 of /backup/util/structure/base_nested_element.class.php: call to base_nested_element->check_and_set_used()
* line 54 of /theme/degrade/backup/moodle2/backup_theme_degrade_plugin.class.php: call to base_nested_element->add_child()
* line 74 of /backup/moodle2/backup_plugin.class.php: call to backup_theme_degrade_plugin->define_course_plugin_structure()
* line 167 of /backup/util/plan/backup_structure_step.class.php: call to backup_plugin->define_plugin_structure()
* line 507 of /backup/moodle2/backup_stepslib.php: call to backup_structure_step->add_plugin_structure()
* line 95 of /backup/util/plan/backup_structure_step.class.php: call to backup_course_structure_step->define_structure()
* line 199 of /backup/util/plan/base_task.class.php: call to backup_structure_step->execute()
* line 191 of /backup/util/plan/base_plan.class.php: call to base_task->execute()
* line 145 of /backup/util/plan/backup_plan.class.php: call to base_plan->execute()
* line 567 of /backup/controller/backup_controller.class.php: call to backup_plan->execute()
* line 134 of /admin/tool/recyclebin/classes/category_bin.php: call to backup_controller->execute_plan()
* line 185 of /admin/tool/recyclebin/lib.php: call to tool_recyclebin\category_bin->store_item()
* line 4697 of /lib/moodlelib.php: call to tool_recyclebin_pre_course_delete()
* line 42 of /opt/moodle/moosh/Moosh/Command/Moodle39/Course/CourseDelete.php: call to delete_course()
* line 377 of /opt/moodle/moosh/moosh.php: call to Moosh\Command\Moodle39\Course\CourseDelete->execute()
!!! error/multiple_optigroup_duplicate_element !!!
Potential coding error - existing temptables found when disposing database. Must be dropped!
Removing the theme (version 9.5.10 from 2026031300) has fixed the problem, although I still do not actually understand what the "optigroup" and "temptables need to be dropped" problem is supposed to tell me...
You don't have permission to access this resource.
Additionally, a 403 Forbidden error was encountered while trying to use an ErrorDocument to handle the request.
That is the error I get everytime I try to change something, how can I solve this?