why while using path tracer i have such a problem? my pc suits all the twinmotion requierments but why i always have such lines? they appear when i get close to the object, but when i stand furthe...

why while using path tracer i have such a problem? my pc suits all the twinmotion requierments but why i always have such lines? they appear when i get close to the object, but when i stand further, everything is ok...