PHP Notice: Trying to get property 'id' of non-object in E:\congress_app\src\pages\event\contribution.php on line 13
PHP Warning: Creating default object from empty value in E:\congress_app\src\pages\event\contribution.php on line 13
PHP Notice: Undefined property: stdClass::$uuid in E:\congress_app\src\pages\event\contribution.php on line 15
PHP Warning: unpack(): Type H: not enough input, need 4, have 0 in E:\congress_app\src\lib\Utils.php on line 165
PHP Warning: join(): Invalid arguments passed in E:\congress_app\src\lib\Utils.php on line 165
PHP Notice: Undefined property: stdClass::$session_uuid in E:\congress_app\src\pages\event\contribution.php on line 16
PHP Warning: unpack(): Type H: not enough input, need 4, have 0 in E:\congress_app\src\lib\Utils.php on line 165
PHP Warning: join(): Invalid arguments passed in E:\congress_app\src\lib\Utils.php on line 165
PHP Notice: Undefined property: stdClass::$id in E:\congress_app\src\pages\event\contribution.php on line 18