The error can be seen from versions above 1.19.10.21, where (with the Xbox account or LAN Server) I could not access the friend's open map, and vice versa, in this version that I mentioned it works to play Multiplayer, but, for example, 1.19.10.22 didn't work, it always left the map saying that there was an error when entering, detail: the cell phone doesn't stop and the internet was good, and my friend's too, we thought it was our devices, but I saw that others had this same problem, I'll be grateful if they fix it in the next Beta
I tested this with a friend who plays on Mobile and another on PC, and it gave the same error for both, so it's likely that on almost all Bedrock Edition platforms