Encountered an error in system `bevy_sprite::text2d::update_text2d_layout`: Parameter `Res<'_, Assets<Font>>` failed validation: Resource does not exist
If this is an expected state, wrap the parameter in `Option<T>` and handle `None` when it happens, or wrap the parameter in `If<T>` to skip the system when it happens.
   4: bevy_ecs::error::bevy_error::impl$1::from<bevy_ecs::system::system_param::SystemParamValidationError>
             at C:\Users\yarde\.cargo\git\checkouts\bevy-50d7e162b728c6c6\33a48a9\crates\bevy_ecs\src\error\bevy_error.rs:115
   5: bevy_ecs::system::system::impl$3::from<bevy_ecs::system::system_param::SystemParamValidationError>
             at C:\Users\yarde\.cargo\git\checkouts\bevy-50d7e162b728c6c6\33a48a9\crates\bevy_ecs\src\system\system.rs:450
   6: core::result::impl$28::from_residual<tuple$<>,bevy_ecs::system::system_param::SystemParamValidationError,enum2$<bevy_ecs::system::system::RunSystemError> >
             at C:\Users\yarde\.rustup\toolchains\nightly-x86_64-pc-windows-msvc\lib\rustlib\src\rust\library\core\src\result.rs:2189
   7: bevy_ecs::system::system::System::run_without_applying_deferred<bevy_ecs::system::function_system::FunctionSystem<void (*)(bevy_ecs::system::system_param::Local<alloc::vec::Vec<tuple$<f32,bevy_camera::visibility::render_layers::RenderLayers>,alloc::alloc::
             at C:\Users\yarde\.cargo\git\checkouts\bevy-50d7e162b728c6c6\33a48a9\crates\bevy_ecs\src\system\system.rs:135
note: Some "noisy" backtrace lines have been filtered out. Run with `BEVY_BACKTRACE=full` for a verbose backtrace.

Encountered a panic in system `bevy_sprite::text2d::update_text2d_layout`!
Encountered a panic in system `bevy_app::main_schedule::Main::run_main`!