ElementTypeValidator_NoSelection=No selection found. ElementTypeValidator_ValidSelection=Selection validated. ElementTypeValidator_InvalidSelection=Selection has to be a {0}. TypeContext_ContextNotFound=Could not retrieve Papyrus context (GMF Extensible Type IClientContext): {0}. ElementEditServiceProvider_UnexpectedParameterType=EObject, EClass or IElementType expected in method parameter. ElementEditServiceProvider_NoIElementTypeFound=No IElementType bound to Papyrus shared client context for {0}. ElementEditServiceUtils_UnableToFindElementType=Unable to get ElementType edit service for {0}. ElementEditServiceUtils_UnableToFindServiceProvider=Unable to get ElementType edit service provider. ElementEditServiceUtils_CantGetEditingDomainProvider=Impossible to get the editing domain provider.