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Warning: Undefined property: stdClass::$username in /home/moodle/www/moodle-test3/lib/classes/output/user_picture.php on line 295

Deprecated: explode(): Passing null to parameter #2 ($string) of type string is deprecated in /home/moodle/www/moodle-test3/lib/classes/output/user_picture.php on line 295

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