Debug info:
Error code: codingerror
Error code: codingerror
Stack trace:
- line 728 of /cache/stores/file/lib.php: coding_exception thrown
- line 484 of /cache/stores/file/lib.php: call to cachestore_file->ensure_path_exists()
- line 867 of /cache/classes/loaders.php: call to cachestore_file->set()
- line 1725 of /cache/classes/loaders.php: call to cache->set_implementation()
- line 790 of /cache/classes/loaders.php: call to cache_application->set_implementation()
- line 1271 of /lib/grouplib.php: call to cache->set()
- line 1296 of /lib/grouplib.php: call to groups_cache_groupdata()
- line 250 of /lib/grouplib.php: call to groups_get_course_data()
- line 244 of /mod/forum/classes/local/builders/exported_discussion_summaries.php: call to groups_get_all_groups()
- line 123 of /mod/forum/classes/local/builders/exported_discussion_summaries.php: call to mod_forum\local\builders\exported_discussion_summaries->get_groups_available_in_forum()
- line 467 of /mod/forum/classes/local/factories/renderer.php: call to mod_forum\local\builders\exported_discussion_summaries->build()
- line 229 of /mod/forum/classes/local/renderers/discussion_list.php: call to mod_forum\local\factories\renderer->mod_forum\local\factories\{closure}()
- line 258 of /mod/forum/view.php: call to mod_forum\local\renderers\discussion_list->render()