See the guideline on how to change the RPC link in your BNB Smart Chain network settings in MetaMask. In the guideline, we use on RPC link, while a lot of RPC links exist, so if this one doesn’t work for you, check the bottom of the page for alternative links.
See the video of how you can change the RPC link for https://bsc.publicnode.com/ in your MetaMask below.
For those, who prefer text and screenshots, see a screenshotted guide of how you can change the RPC link for https://bsc.publicnode.com/ below.
Don't forget to save the settings.
If https://bsc.publicnode.com/ link doesn’t work for you, go to https://chainlist.org/chain/56, copy one of the RPC links and paste it to the BNB Smart Chain settings as shown above.
Try claiming, transferring, or minting again. If it doesn’t work, go back to the link above and try another link.