Debug info:
Error code: generalexceptionmessage
Error code: generalexceptionmessage
Stack trace:
- line 66 of /theme/edumy/classes/output/core/course_renderer.php: TypeError thrown
- line 66 of /theme/edumy/classes/output/core/course_renderer.php: call to implode()
- line 321 of /theme/edumy/classes/output/core/course_renderer.php: call to theme_edumy\output\core\course_renderer->coursecat_tree()
- line 66 of /course/index.php: call to theme_edumy\output\core\course_renderer->course_category()
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