PHP Fatal error: Uncaught Error: Call to undefined function plugin_basename()

Hi There!

We updated to the new version yesterday and found the following error message in our PHP ErrorLog this morning:

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PHP Fatal error: Uncaught Error: Call to undefined function plugin_basename() in /kunden/469469_76275/webseiten/hello-world.net/wordpress/wp-content/plugins/contact-form-7/wp-contact-form-7.php:23
Stack trace: 0 {main}

thrown in /kunden/469469_76275/webseiten/hello-world.net/wordpress/wp-content/plugins/contact-form-7/wp-contact-form-7.php on line 23

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Thank you very much for the brief information about where the error lies.

Nico

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