PHP Errors

Hi. Your filter rules. I’m getting a lot of errors though:

[28-Jun-2018 18:32:35 UTC] [2018-06-28 18:32:35] whoops_logger.ERROR: Whoops\Exception\ErrorException: Array to string conversion in file C:\www\wp-includes\formatting.php on line 1045
Stack trace:
  1. Whoops\Exception\ErrorException->() C:\www\wp-includes\formatting.php:1045
  2. Whoops\Run->handleError() C:\www\wp-includes\formatting.php:1045
  3. wp_check_invalid_utf8() C:\www\wp-includes\formatting.php:3952
  4. esc_html() C:\www\wp-content\plugins\woocommerce-products-filter\classes\helper.php:32
  5. WOOF_HELPER->escape() C:\www\wp-content\plugins\woocommerce-products-filter\index.php:1788
  6. WOOF->get_request_data() C:\www\wp-content\plugins\woocommerce-products-filter\index.php:1803
  7. WOOF->is_isset_in_request_data() C:\www\wp-content\plugins\woocommerce-products-filter\index.php:277
  8. WOOF->init() C:\www\wp-includes\class-wp-hook.php:286
  9. WP_Hook->apply_filters() C:\www\wp-includes\class-wp-hook.php:310
 10. WP_Hook->do_action() C:\www\wp-includes\plugin.php:453
 11. do_action() C:\www\wp-settings.php:450
 12. require_once() C:\www\wp-config.php:112
 13. require_once() C:\www\wp-load.php:37
 14. require_once() C:\www\wp-admin\admin-ajax.php:22
 [] []

Could you look into it?