Warning (2) : Undefined array key 0 [in /var/www/vhosts/canarianweekly.com/httpdocs/src/Controller/ArticlesController.php, line 88]
Warning (2) : Attempt to read property "id" on null [in /var/www/vhosts/canarianweekly.com/httpdocs/src/Controller/ArticlesController.php, line 88]
Warning (512) : Unable to emit headers. Headers sent in file=/var/www/vhosts/canarianweekly.com/httpdocs/vendor/cakephp/cakephp/src/Error/Renderer/HtmlErrorRenderer.php line=37 [in /var/www/vhosts/canarianweekly.com/httpdocs/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 65]
Warning (2) : Cannot modify header information - headers already sent by (output started at /var/www/vhosts/canarianweekly.com/httpdocs/vendor/cakephp/cakephp/src/Error/Renderer/HtmlErrorRenderer.php:37) [in /var/www/vhosts/canarianweekly.com/httpdocs/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 159]
Warning (2) : Cannot modify header information - headers already sent by (output started at /var/www/vhosts/canarianweekly.com/httpdocs/vendor/cakephp/cakephp/src/Error/Renderer/HtmlErrorRenderer.php:37) [in /var/www/vhosts/canarianweekly.com/httpdocs/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 192]
Error: Expression `category_id` is missing operator (IS, IS NOT) with `null` value.

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

InvalidArgumentException

Could this be caused by using Auto-Tables?

Some of the Table objects in your application were created by instantiating "Cake\ORM\Table" instead of any other specific subclass.

This could be the cause for this exception. Auto-Tables are created for you under the following circumstances:


Please try correcting the issue for the following table aliases:


CORE/src/Database/Expression/QueryExpression.php at line 748 (edit)
            $operator = '!=';
        }
        if ($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