I spent quite a while searching for solutions to this issue:
Reading Package Lists... Error! E: Dynamic MMap ran out of room
I found several posts and sites that mention updating the cache limit, but that did not work. Here’s what I found though.
First, create the file if it does not exist.
Then, add this:
APT::Default-Release "stable"; APT::Cache-Limit "141943904";
And that did the trick!Â You can probably find this lots of places, but it took me too long to find the right fix, so I saved this here for myself!
Have a great day!