Please take a look at the following instructions, which will help you to solve the problem:
Please also try to use a different master server (only FS19, Germany 2, International, etc.).
Please note that mobile access points such as a GigaCube or other mobile connections are not designed for this type of use.
Mods can also lead to connection problems. Therefore, please deactivate all mods on your server.
Patch 1.5 is almost here and testing is going well! Want to know how patches are made? You can find these and other details in our new blog post. ⬇️ https://t.co/3H4bZSbjIV