The type or namespace name 'Prototypes' does not exist in the namespace 'Robust.Shared' (are you missing an assembly reference?)

The type or namespace name 'Serialization' does not exist in the namespace 'Robust.Shared' (are you missing an assembly reference?)

The type or namespace name 'Serialization' does not exist in the namespace 'Robust.Shared' (are you missing an assembly reference?)

The type or namespace name 'Actions' does not exist in the namespace 'Content.Shared' (are you missing an assembly reference?)

The type or namespace name 'Actions' does not exist in the namespace 'Content.Shared' (are you missing an assembly reference?)

The type or namespace name 'Alert' does not exist in the namespace 'Content.Shared' (are you missing an assembly reference?)

The type or namespace name 'Coordinates' does not exist in the namespace 'Content.Shared' (are you missing an assembly reference?)

The type or namespace name 'Maps' does not exist in the namespace 'Content.Shared' (are you missing an assembly reference?)

The type or namespace name 'Mobs' does not exist in the namespace 'Content.Shared' (are you missing an assembly reference?)

The type or namespace name 'Physics' does not exist in the namespace 'Content.Shared' (are you missing an assembly reference?)

'InfoSystem.OnRequestRules(RequestRulesMessage, EntitySessionEventArgs)': new protected member declared in sealed type