When I enter rcssserver3d to the terminal, the system told me this problem:

(SimulationServer) SimControlNode 'AgentControl' registered
(AgentControl) Running in normal mode.
(spark.rb) sparkSetupInput
(spark.rb) using InputSystem 'InputSystemSDL'
(InputServer) Init InputSystemSDL
(InputServer) CreateDevice Keyboard
(InputServer) CreateDevice Mouse
(spark.rb) sparkSetupTimer
(spark.rb) using TimerSystem 'TimerSystemBoost'
(SimulationServer) SimControlNode 'InputControl' registered
(SimulationServer) TimerSystem 'TimerSystemBoost' registered
(bindings.rb) setting up bindings
(spark.rb) sparkEnableLog logTarget=:cerr logType=eError
(Light) ERROR: OpenGLServer not found
(Light) ERROR: OpenGLServer not found
(Material2DTexture) ERROR: cannot find TextureServer
(Material2DTexture) ERROR: OpenGLServer not found.
(Material2DTexture) ERROR: cannot find TextureServer
(Material2DTexture) ERROR: OpenGLServer not found.
(Material2DTexture) ERROR: cannot find TextureServer
(Material2DTexture) ERROR: OpenGLServer not found.
(Core) caught signal 11
(Core) dumping 2 stack frames.
[0] /usr/local/lib/simspark/libzeitgeist.so.3(zeitgeist::Core::CatchSignal(int)+0xe2) [0x7f096f9372c2]
??
??:0

[1] /lib/x86_64-linux-gnu/libc.so.6(+0x36cb0) [0x7f096ebf5cb0]
??
??:0

(Core) exit

Please tell me how to address this proble! Thanks a lot!