With the release of the 1.4 patch for Battlefield 2 we have discovered a compability issue with the current PoE2 version. It's now fixed.
This patch for Point of Existence Dedicated Servers fixes the crashing issue that has arisen due to the v 1.5 patch for Battlefield 2.
We have found an issue (thanks sm007h) with our Linux server package. Here is the hotfix for this issue.