Is there a limit for ships and units?

[geoschmo]

There are limits for the number of ships and the number of units in space. These can be set by the game owner when he sets the game up, but can't be changed after the first turn. The upper limit is 20000 of each. There is no specific limit for the number of fighters you can have in cargo, other then the amount of cargo space you can possibly have.

Your game is probably able to run, but it's just taking a long time. PBW has a limit of 20 minutes to process turns. If a turn takes longer than that to run because of huge battles or whatever, the game owner can run the turn offline and upload the resulting turn to the site. I have a game I am running that has gotten big like that and I have to run every turn offline. The turns take about 45 minutes to process, but SE4 handles it fine. It's just a limitation we put on PBW so one game doesn't tie up too much of the system resources.