Hello, I am a person who made a similar bug report to this one. However, I had the issue of the portal appearing without having any tamed animals. Here is a link to my bug report: https://bugs.mojang.com/browse/MCPE/issues/MCPE-240889
teddyrlimer
Hello, I am a person who made a similar bug report to this one. However, I had the issue of the portal appearing without having any tamed animals. Here is a link to my bug report: https://bugs.mojang.com/browse/MCPE/issues/MCPE-240889