Please ensure that you are running the latest version of the beta code.
Pi-hole version is v4.3.2-397-g0a70bbd (Latest: v4.3.2)
AdminLTE version is v4.3.2-393-g843e46d (Latest: v4.3.2)
FTL version is vDev-fb01e09 (Latest: v4.3.1) Problem with Beta 5.0:
perhaps not a problem with Beta or pihole...