Block[{Print},Needs/@{"xAct`xPrint`","xAct`xTras`"}];
dim::shdw: Symbol dim appears in multiple contexts {xAct`Invar`,xAct`xPrint`}; definitions in context xAct`Invar` may shadow or be shadowed by other definitions. >>
dim$::shdw: Symbol dim$ appears in multiple contexts {xAct`Invar`,xAct`xPrint`}; definitions in context xAct`Invar` may shadow or be shadowed by other definitions. >>