07, 2.0l trafic gear snag

Hi this may have been broached before but I cannot find it, my beast has become stiff on gear changes ( 07 6speed) and some times does not go in correctly and pops back out. Is there a fix or does anyone know of somewhere not to earth shattering expensive near portsmouth I can take her. She has done 94k . She does not seam noisy and until late only become more of a problem of late with stiffness:crazy: can anybody help me on this please