If you see an error about running out of memory on your browser, please first clear the cache of your browser, and reload the game. Check here for instructions:
Google Chrome: Tap me!
Mozilla Firefox: Tap me!
Microsoft Edge: Tap me!
If you continue to experience the issue, please try checking the memory save toggle in advanced settings (Open your game → Open “Settings Menu“ → “Advanced Settings“ → “Memory Saver Mode“).
Also, please try rebooting your laptop/PC, and closing other open tabs as well as programs that could be running in the background.
As the next step, you could also check our basic troubleshooting FAQ to cover our bases:
System requirements for Best Fiends on Facebook / Which browsers are supported for the Facebook version of Best Fiends?
You can also try using a different support browser from the list in the FAQ above.