XF 2.1 Facebook Link Problems?

[Rhody]

Current version w/sp2 on litespeed based server php 7.3x

I notice when a link to my forum is posted on Facebook, it doesn't go to the correct place but to the forum's main menu.

For example: (forum name changed for example, not clickable)

https://www.theforumname.com/index.php?resources/list-of-suppliers-open-during-covid-19-pandemic.2/

gets changed to:

https://www.theforumname.com/index.php?resources%2Flist-of-suppliers-open-during-covid-19-pandemic.2%2F&fbclid=IwAR3VEalbJSjFfskWfX9A-IxKOec39zTYL9voJOAFdyjyJOew7Sd4VRm05yU

Is this caused by the stuff they are adding? FBCLID+......

Any way around it so links will go to the correct places?

Thanks in advance
Rhody