This is most commonly caused by the server attempting to use more than 4GB of RAM while on a x86 server executable.
- To resolve this issue, locate the "Select x86 or x64 Server EXE" in your game panel. Select the "x64" executable and select "Run" at the top of this section. Once this has been completed, please navigate to your commandline manager and open and reselect your currently used commandline.
- Please note, using this option can potentially have an adverse effect on the server as some mods may not be compatible with an x64 executable and may prevent the server from loading.