Known Issue: FME fails to run on macOS Monterey

Liz Sanderson
Liz Sanderson
  • Updated
Known Issue ID FMEENGINE-71121
Discovered FME 2021.1.3 build 21631
Affects All versions of FME prior to and including FME 2021.1.3 build 21631
Resolved FME 2021.1.3.1 build 21635



After upgrading to macOS Monterey, FME workspaces are failing to run. Error messages can vary depending on what action you are trying, errors can include:

  • Failing to add a reader:
Error running translation. Workspace generation failed. Parameter file was <path>
  • If running via command line, the error may state "segmentation fault"



This issue has been resolved in FME 2021.1.3.1 build 21635 or newer:


If you are needing to work with an older version of FME on macOS Monterey, we have a patch attached to this article to allow legacy versions of FME work:

  1. Download the attached file and unzip the file:
  2. Patch the legacy version of FME you are looking to use. As an example from the Terminal: 
    sudo cp ~/Downloads/libtcmalloc_minimal.4.dylib /Library/FME/<version of FME>/fmecore

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