N9KYP

Hi all new here, got a 2006 2.5 STi Hawkeye. Done 86k had it 9 years and recently engine warning light come on with code P0011 camshaft advance timing bank 1. It happens on hot start only when the car has been driven then switch off for a few minutes. Changed crank sensor both camshaft sensors oil and filter but still happening. When I clear the fault it drives fine for a while then happens again please help thanks Nik