Warning (2): Attempt to read property "id" on null [APP/Controller/Everyone/AppEveryoneController.php, line 137]
Warning (2): Attempt to read property "team_id" on null [APP/Controller/Everyone/AppEveryoneController.php, line 147]
Warning (512): Unable to emit headers. Headers sent in file=/home/users/0/cycle-ut2/apps/public_take/vendor/cakephp/cakephp/src/Error/Debugger.php line=988 [CORE/src/Http/ResponseEmitter.php, line 71]
Warning (2): Cannot modify header information - headers already sent by (output started at /home/users/0/cycle-ut2/apps/public_take/vendor/cakephp/cakephp/src/Error/Debugger.php:988) [CORE/src/Http/ResponseEmitter.php, line 168]
Warning (2): Cannot modify header information - headers already sent by (output started at /home/users/0/cycle-ut2/apps/public_take/vendor/cakephp/cakephp/src/Error/Debugger.php:988) [CORE/src/Http/ResponseEmitter.php, line 197]
Error: Expression `id` is missing operator (IS, IS NOT) with `null` value.

Expression id is missing operator (IS, IS NOT) with null value. 📋

InvalidArgumentException
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            $operator '!=';
        }
        if ($value === null && $this->_conjunction !== ',') {
            throw new InvalidArgumentException(
                sprintf('Expression `%s` is missing operator (IS, IS NOT) with `null` value.'$expression)
            );
        }

If you want to customize this error message, create templates/Error/error500.php