Uno Gearstick

I have '88 Uno 1.3 Diesel and today I noticed for the first time that gearstick goes way too back when I shift to 2nd, 4th or reverse. In when I
change from third to fourth gearstick presses button of the handbreak & in second gear it rubs to the seat. Does anybody know what seems to be the problem & how to solve it. Thank you very much, Cuba
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