PHP Notice

Hi there,

I receive the following errors in the debug log in relation to the plugin. Can your help here please? Thanks in advance.

Trying to access array offset on value of type null in /xxx/xxx/xxx/xxx/wp-content/plugins/woo-product-feed-pro/classes/class-get-products.php on line 3548

PHP Deprecated: strpos(): Non-string needles will be interpreted as strings in the future. Use an explicit chr() call to preserve the current behavior in /xxx/xxx/xxx/xxx/wp-content/plugins/woo-product-feed-pro/classes/class-attributes.php on line 355