Upgrading the Game Engine. — Farlight Explorers Steam update #619059

Hi, I apologize about delay. I'm upgrading the game engine, because the code compiler is having issues with the current game engine version 4.10. So I decided to upgrade to the newest, 4.18 I have been upgrading the game engine since before December. In the middle of January I finished to change all the game code in order to work with the new version. Adapting the code to the new version, was a huge work and I spent almost two months on it. I'm upgrading from the 4.10 version to 4.18, of the Unreal Engine 4. Unfortunately, I can't upload the current build because the game crash in the build related to the players. The development build or debug build works well but the shipped build crash in something not directly related to the game code. I know exactly where it crash in the code and I'm still working on fixing it but I tried almost everything and I spent more or less 3 weeks on it, and...