Fatal error: Uncaught GuzzleHttp\Exception\InvalidArgumentException: json_encode error: Malformed UTF-8 characters, possibly incorrectly encoded in C:\dev\Aleta\opencart-3.0.3.6\upload\system\library\vendor\facebook_business\vendor\guzzlehttp\guzzle\src\Utils.php:296 Stack trace: #0 C:\dev\Aleta\opencart-3.0.3.6\upload\system\library\vendor\facebook_business\vendor\guzzlehttp\guzzle\src\functions.php(166): GuzzleHttp\Utils::jsonEncode() #1 C:\dev\Aleta\opencart-3.0.3.6\upload\system\library\vendor\facebook_business\src\FacebookAds\Object\ServerSide\EventRequestAsync.php(59): GuzzleHttp\json_encode() #2 C:\dev\Aleta\opencart-3.0.3.6\upload\system\library\vendor\facebook_business\src\FacebookAds\Object\ServerSide\EventRequestAsync.php(42): FacebookAds\Object\ServerSide\EventRequestAsync->eventPromise() #3 C:\dev\Aleta\opencart-3.0.3.6\upload\catalog\model\extension\module\facebook_business.php(1052): FacebookAds\Object\ServerSide\EventRequestAsync->execute() #4 C:\dev\Aleta\opencart-3.0.3.6\upload\catalog\model\extension\mo in C:\dev\Aleta\opencart-3.0.3.6\upload\system\library\vendor\facebook_business\vendor\guzzlehttp\guzzle\src\Utils.php on line 296