Bugzilla – Bug 195
a few seconds after opening the game- error message shows up
Last modified: 2015-10-31 04:26:49 CET
Created attachment 35 [details] screenshot of the error
Your screenshot says that the error has been reported, but I have received no such error report, so I suspect you are running Ender's client or some other custom client. Please verify that the error happens on the vanilla client.