Facebook Pixel. Wrong parameter 'ViewCategory'

Hi, i bought your fb pixel plugin i install it as i read from your site everything is fine!
i have a warning about ViewCategory i attach you a screen shot. is everything ok? i have to do something more? is my pixel run correct?  i run ads and i care about it very much!

thank you!

Thank you.
It was a bug. We have fixed it in v1.10
It must be a custom track for advanced tracking.

We take example from this documentation.
https://developers.facebook.com/docs/marketing-api/dynamic-product-ads/product-audiences/v2.9