error myDebug - Adavanced Search

[shags38]

1.5.5f php 7.1

I am getting this error message - not sure how to fix it so looking for some assistance please.
cheers, Mike

[06-Dec-2019 17:13:19 Australia/Sydney] Request URI: /index.php?main_page=advanced_search_result&keyword=20mm+harmony+ball+black&search_in_description=1&categories_id=&inc_subcat=1&manufacturers_id=&pfrom=&pto=&dfrom=&dto=, IP address: 158.140.130.183
#1  require(/home/harmony2/public_html/includes/modules/pages/advanced_search_result/header_php.php) called at [/home/harmony2/public_html/index.php:36]

[06-Dec-2019 17:13:19 Australia/Sydney] PHP Warning:  A non-numeric value encountered in /home/harmony2/public_html/includes/modules/pages/advanced_search_result/header_php.php on line 369
[06-Dec-2019 17:13:19 Australia/Sydney] Request URI: /index.php?main_page=advanced_search_result&keyword=20mm+harmony+ball+black&search_in_description=1&categories_id=&inc_subcat=1&manufacturers_id=&pfrom=&pto=&dfrom=&dto=, IP address: 158.140.130.183
#1  require(/home/harmony2/public_html/includes/modules/pages/advanced_search_result/header_php.php) called at [/home/harmony2/public_html/index.php:36]

[06-Dec-2019 17:13:19 Australia/Sydney] PHP Warning:  A non-numeric value encountered in /home/harmony2/public_html/includes/modules/pages/advanced_search_result/header_php.php on line 370

[swguy]

This is fixed in the 1.5.6 version of includes/modules/pages/advanced_search_result/header_php.php.

[mc12345678]

It also isn't an error, but a warning as identified in the myDebug log.