String [summaryof,core] is deprecated. Either you should no longer be using that string, or the string has been incorrectly deprecated, in which case you should report this as a bug. Please refer to https://moodledev.io/general/projects/api/string-deprecation

• line 395 of /lib/classes/string_manager_standard.php: call to debugging()
• line 7001 of /lib/moodlelib.php: call to core_string_manager_standard->get_string()
• line 58 of /course/info.php: call to get_string()

Hook callback definition contains invalid 'callback' class name in 'tool_redirects'. Callback class 'tool_redirects\hook_callbacks' not found.

• line 226 of /lib/classes/hook/manager.php: call to debugging()
• line 189 of /lib/classes/hook/manager.php: call to core\hook\manager->is_callback_valid()
• line 304 of /lib/classes/hook/manager.php: call to core\hook\manager->getListenersForEvent()
• line 859 of /lib/classes/output/core_renderer.php: call to core\hook\manager->dispatch()
• line ? of unknownfile: call to core\output\core_renderer->header()
• line 109 of /lib/classes/output/bootstrap_renderer.php: call to call_user_func_array()
• line 62 of /course/info.php: call to core\output\bootstrap_renderer->__call()