Warning (2) : Attempt to read property "id" on null [in /homepages/23/d626568303/htdocs/dev/src/Controller/CommandesController.php, line 41]
Warning (512) : Unable to emit headers. Headers sent in file=/homepages/23/d626568303/htdocs/dev/vendor/cakephp/cakephp/src/Error/Renderer/HtmlErrorRenderer.php line=36 [in /homepages/23/d626568303/htdocs/dev/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 71]
Warning (2) : Cannot modify header information - headers already sent by (output started at /homepages/23/d626568303/htdocs/dev/vendor/cakephp/cakephp/src/Error/Renderer/HtmlErrorRenderer.php:36) [in /homepages/23/d626568303/htdocs/dev/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 168]
Warning (2) : Cannot modify header information - headers already sent by (output started at /homepages/23/d626568303/htdocs/dev/vendor/cakephp/cakephp/src/Error/Renderer/HtmlErrorRenderer.php:36) [in /homepages/23/d626568303/htdocs/dev/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 197]
Error: Expression `commande_id` is missing operator (IS, IS NOT) with `null` value.

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

InvalidArgumentException
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                continue;
            }
            if (!$numericKey) {
                $this->_conditions[] = $this->_parseCondition($k$c);
            }
        }
    }

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:

  • The class for the specified table does not exist.
  • The Table was created with a typo: $this->getTableLocator()->get('Articles');
  • The class file has a typo in the name or incorrect namespace: class Articles extends Table
  • The file containing the class has a typo or incorrect casing: Articles.php
  • The Table was used using associations but the association has a typo: $this->belongsTo('Articles')
  • The table class resides in a Plugin but no plugin notation was used in the association definition.

Please try correcting the issue for the following table aliases:

  • I18n
  • Commandes_name_translation
  • Commandes_content_translation
  • Commandesphotos_content_translation

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