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I received 'Fatal error: Undefined constant 'PHP_DATE_TIME_FORMAT' in /public_html/includes/m1_export_main.php on line 0' when trying to create a google base feed. What is wrong?
Posted by on 06 October 2011 03:30 PM

The issue that you have faced is related to your server settings. If your current PHP version is 5.3, please try to define the PHP_DATE_TIME_FORMAT at your public_html/includes/languages/english.php.

Add the following line:
define('PHP_DATE_TIME_FORMAT', 'd/m/Y H:i:s');

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