Receiving Fatal Error Message

[Dan]

I am running into 2 problems with the Gmedia Gallery:
1. I am receiving the following error message under “Gallery Preview”: Fatal error: Call to undefined function is_bbpress() in /home/tibeta10/public_html/wp-content/themes/Avada/includes/class-avada-template.php on line 127
Here is a screenshot of this (http://prntscr.com/8g6vpl).
How can I correct this?
2. Now, the bigger problem…
I created 2 galleries. I have checked these in a while, and all the sudden, the images from one gallery are appearing in the other gallery. I checked the images and they were assigned to the correct galleries.
As we could not have the images from one gallery displaying in another gallery, I had to delete the images from the one gallery.
However, I tried to add the images back to the 2nd gallery, and they were appearing again in the first gallery.
How can I find out why this is happening?

[Author]

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