after installing the icon picker package and using the icon picker input

[hussainabuhajjaj]

Declaration of Guava\FilamentIconPicker\Forms\IconPicker::relationship(Closure|string|null $name, Closure|string|null $titleAttribute, ?Closure $modifyQueryUsing = null): static must be compatible with Filament\Forms\Components\Select::relationship(Closure|string|null $name = null, Closure|string|null $titleAttribute = null, ?Closure $modifyQueryUsing = null, bool $ignoreRecord = false): static

[lukas-frey]

Hello @hussainabuhajjaj Please make sure you use the latest version of icon picker, you seem to use an older version.