FTL crashes while using the web interface

General Beta 5.0
2

same problem here.
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)