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 397 of /lib/classes/string_manager_standard.php: call to debugging()
line 7012 of /lib/moodlelib.php: call to core_string_manager_standard->get_string()
line 58 of /course/info.php: call to get_string()
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