Debug info:
Error code: generalexceptionmessage
Error code: generalexceptionmessage
Stack trace:
- line 130 of /course/format/grid/classes/output/courseformat/content.php: TypeError thrown
- line 130 of /course/format/grid/classes/output/courseformat/content.php: call to array_shift()
- line 87 of /lib/classes/output/plugin_renderer_base.php: call to format_grid\output\courseformat\content->export_for_template()
- line 88 of /course/format/classes/output/section_renderer.php: call to core\output\plugin_renderer_base->render()
- line 220 of /course/section.php: call to core_courseformat\output\section_renderer->render()