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(no mapping for user data read) error, cannot run application

This appears in an error log when I try to run Borderlands 2, I somewhat understand what it means but I have no idea how to fix it.


Thread 1 Crashed:: Dispatch queue: OpenGLMT

0 GLEngine 0x00007fff42688ea2 gleAddCommand + 20

1 GLEngine 0x00007fff425fc601 glFlushRender_PackThread + 23

2 gameoverlayrenderer.dylib 0x00000001026d8832 SteamglFlushRenderAPPLE(__GLIContextRec*) + 42

3 com.apple.AppKit 0x00007fff3572fbb9 -[NSIOAccelSurface frontBuffer] + 1708

4 com.apple.AppKit 0x00007fff3572e888 -[NSCGLSurface flushRect:] + 966

5 com.apple.AppKit 0x00007fff3572e444 NSCGLSurfaceFlush + 214

6 GLEngine 0x00007fff425c592a glSwap_Exec + 186

7 GLEngine 0x00007fff42628280 glSwap_UnpackThread + 14

8 GLEngine 0x00007fff42689aa8 gleCmdProcessor + 77

9 libdispatch.dylib 0x00007fff71917658 _dispatch_client_callout + 8

10 libdispatch.dylib 0x00007fff7191cc44 _dispatch_lane_serial_drain + 597

11 libdispatch.dylib 0x00007fff7191d5d6 _dispatch_lane_invoke + 363

12 libdispatch.dylib 0x00007fff71926c09 _dispatch_workloop_worker_thread + 596

13 libsystem_pthread.dylib 0x00007fff71b71a3d _pthread_wqthread + 290

14 libsystem_pthread.dylib 0x00007fff71b70b77 start_wqthread + 15


MacBook Pro 15″, macOS 10.14

Posted on Oct 10, 2020 12:12 AM

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Question marked as Best reply

Posted on Oct 10, 2020 5:13 PM

Reboot the computer if you haven't done so recently. Make sure macOS is completely up to date.


Make sure you are not running any anti-virus software, cleaning apps, or even third party security software as they can interfere with normal operations of macOS and other software. If you have any of these apps, then uninstall them by following the developer's instructions. Make sure to close out any other apps when you are running the game.


Does your Mac meet the Recommended System Requirements for the game? If you Mac doesn't even meet the Minimum System Requirements, then that may be your problem.


If you still have problems, then contact the game developer/publisher for assistance.

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2 replies
Question marked as Best reply

Oct 10, 2020 5:13 PM in response to AradEL

Reboot the computer if you haven't done so recently. Make sure macOS is completely up to date.


Make sure you are not running any anti-virus software, cleaning apps, or even third party security software as they can interfere with normal operations of macOS and other software. If you have any of these apps, then uninstall them by following the developer's instructions. Make sure to close out any other apps when you are running the game.


Does your Mac meet the Recommended System Requirements for the game? If you Mac doesn't even meet the Minimum System Requirements, then that may be your problem.


If you still have problems, then contact the game developer/publisher for assistance.

(no mapping for user data read) error, cannot run application

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