minimal theme on additional panel

Hai,
I'm trying to install minimal theme on some panels, it works on admin panel but I got this error on another panel,

str_contains(): Argument #2 ($needle) must be of type string, Filament\MinimalTheme given

str_contains(): Argument #2 ($needle) must be of type string, Filament\MinimalTheme given

minimal theme on additional panel - Filament