Hi there,
Thanks for letting us now. We will be looking into this error as soon as possible.
Line 20 of the file contact-form-7-s-dom-tracking.php contains a check for the option that this plugin uses and different PHP versions handle this check differently.
Which PHP version are you using?
Best regards from Spain.
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This reply was modified 8 years, 2 months ago by
apasionados. Reason: Added some info to the reply
Hi apasionados,
thank you for your contact. My website is using
PHP Version 5.4.45-2+deb.sury.org~precise+2
Please help.
Best regards from Italy
Hi there,
As stated in the plugin info, it requires PHP 5.5.x and we are sorry that with 5.4.45 it will not work correctly. Maybe we will add a check so that you can’t activate it with lower versions.
By the way PHP 5.4.45 was released on 3 September 2015 and is an old release with no development since this release which is 2,5 years ago. We would switch to a newer version asap. And if you switch you will also get a nice speed improvement. Have a look at: The Definitive PHP 5.6, 7.0, 7.1, 7.2 & HHVM Benchmarks (2018) (not related to us, but a good resource).
Best regards from Spain.
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This reply was modified 8 years, 2 months ago by
apasionados. Reason: Changed "data" to "info"