Some problems that often occur with CS2D Beta 0.1.2.0 dedicated servers:

unable to build anything in construction mode
solution: copy/upload the "language" folder with its contents from the sys folder of the latest version into the sys folder of your dedicated server

rank is not displayed
solution: copy/upload the "language" folder with its contents from the sys folder of the latest version into the sys folder of your dedicated server

unable to create portals
solution: copy/upload the "language" folder with its contents from the sys folder of the latest version into the sys folder of your dedicated server