I get this too on all my child sites. running PHP 8.3.35
Had to roll back to Version 6.1.7 to resolve the issue
Sorry forgot to add this from the error log
H01071: Got error ‘PHP message: PHP Fatal error: Uncaught RuntimeException: Composer detected issues in your platform: Your Composer dependencies require a PHP version “>= 8.3.0”. You are running 8.2.34. in /home/domain/wp-content/plugins/contact-form-7/vendor/composer/platform_check.php:22\nStack trace:\n#0 /home/domain/wp-content/plugins/contact-form-7/vendor/composer/autoload_real.php(25): require()\n#1 /home/domain/wp-content/plugins/contact-form-7/vendor/autoload.php(22): ComposerAutoloaderInitf850b4a531317914b9045752ab7ba3f8::getLoader()\n#2 /home/domain/wp-content/plugins/contact-form-7/load.php(5): require(‘…’)\n#3 /home/domain/wp-content/plugins/contact-form-7/wp-contact-form-7.php(74): require_once(‘…’)\n#4 home/domain//wp-settings.php(597): include_once(‘…’)\n#5 /home/domain/…’
Hi
I updated to version 6.2.3 today and problem persisted, rolled back to version 6.1.7