I installed Contact Form 7 and tried to create a form. I received this error when I tried to create a simple form.
Warning: Declaration of TGM_Bulk_Installer_Skin::before() should be compatible with Bulk_Upgrader_Skin::before($title = ”) in /home3/mjcaldwe/public_html/wp-content/themes/strong/7league/class-tgm-plugin-activation.php on line 1887
the biggest problem is that your server return error messages and warnings. The error is only a warning, normally it’s not a problem, because it’s only a warning. Those messages are only for developers and on a public website this should always be turned off, because a hacker can easily find weak points in your website.
You should really contact your hosting provider and turn off php error messages and warnings, this is very important.
Does the warning cause any problem?
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