Hi Mus,
Your problem is still the cell size... if you check your geometry, there are some water molecules far away, so your minimal and maximal values for X positions are: -33.33 and +35.37 A, for Y -42.09 and +35.00 and for Z -36.89 and +41.72.
So if you want to put all your system into the cell, you need a minimum box of 78.6 A in Z... also you need to add some vacuum space to get all the system into the box without problems.
Check that you are considering a box without periodic boundary conditions.
Regards - Lucas