Gazebo 2.2.6 not starting

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Hi,

I'm getting the following error whenever I want to start Gazebo. Any ideas in how to solve it?

andrestoga@andrestoga-RoboLab:~/ros_Map_Merging$ gazebo Gazebo multi-robot simulator, version 2.2.6 Copyright (C) 2012-2014 Open Source Robotics Foundation. Released under the Apache 2 License. http://gazebosim.org

Msg Waiting for master Gazebo multi-robot simulator, version 2.2.6 Copyright (C) 2012-2014 Open Source Robotics Foundation. Released under the Apache 2 License. http://gazebosim.org

Msg Waiting for master Msg Connected to gazebo master @ ttp://127.0.0.1:11345 32mMsg Connected to gazebo master @ http://127.0.0.1:11345 MsgMsg Publicized address: Publicized address: 169.236.180.44169.236.180.44

X Error of failed request: BadValue (integer parameter out of range for operation) Major opcode of failed request: 154 (GLX) Minor opcode of failed request: 3 (X_GLXCreateContext) Value in failed request: 0x0 Serial number of failed request: 24 Current serial number in output stream: 25