The error is definitely telling you that you don't have 4.35gigs of RAM available on the system you're using. At this point I suspect this has more to do with your system than your data. Even if the system has 64gigs of RAM in it you don't have the necessary permission to use more than a few gigs likely due to some sort of configuration issue.
I notice you made another post about a month ago where you were having the same issue. That post makes it sound like you are connecting to a remote computer. It is likely that even if this remote computer has 64gigs of RAM installed you do not have permission to use more than a few gigs. If you were able to resolve this issue last time, the same solution will likely work again.
If you were unable to resolve this issue last time, I suggest you look into how much RAM you have available to you and not the amount of RAM you have installed in the system. I suspect it is very low. If you have administrative access to the system you should be able to increase the amount available to you yourself. Otherwise you will need to contact the system administrator.