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<p>I developed a login system but it tells me that some fields are missing even though I have created them in Sql</p> <pre class="brush:php;toolbar:false;">CREATE TABLE IF NOT EXISTS `users` ( `id` int(11) NOT NULL AUTO_INCREMENT, `username` varchar(50) NOT NULL, `email` varchar(50) NOT NULL, `password` varchar(50) NOT NULL, `create_datetime` datetime NOT NULL, PRIMARY KEY (`id`) );</pre> <p><br /></p>