Sound comes from 206 1.6 xs transmission

when my car is idle, there is a noise such as friction from the gearbox when I press the clutch.

250 own labor

150 transmissions master workers and track money said

He said that he would spend an average of 750-1000 lira.

What do you think is the problem? What is wrong with my gear changes? Is there a decrease or deterioration in transmission oil or is it a more serious problem?