When trying to save or do anything related with inkstitch I get the below error and then I can only press ok and goes back to home screen. Anyone know how to fix this?

Inkscape has received additional data from the script executed. The script did not return an error, but this may indicate the results will not be as expected.

Traceback (most recent call last):
  File "inkstitch.py", line 25, in <module>
  File "PyInstaller/loader/pyimod03_importers.py", line 495, in exec_module
  File "inkex/__init__.py", line 11, in <module>
  File "PyInstaller/loader/pyimod03_importers.py", line 495, in exec_module
  File "inkex/extensions.py", line 34, in <module>
  File "PyInstaller/loader/pyimod03_importers.py", line 495, in exec_module
  File "inkex/elements/__init__.py", line 13, in <module>
  File "PyInstaller/loader/pyimod03_importers.py", line 495, in exec_module
  File "inkex/elements/_polygons.py", line 31, in <module>
  File "PyInstaller/loader/pyimod03_importers.py", line 495, in exec_module
  File "inkex/bezier.py", line 29, in <module>
  File "PyInstaller/loader/pyimod03_importers.py", line 495, in exec_module
  File "numpy/__init__.py", line 142, in <module>
  File "PyInstaller/loader/pyimod03_importers.py", line 495, in exec_module
  File "numpy/core/__init__.py", line 99, in <module>
  File "PyInstaller/loader/pyimod03_importers.py", line 495, in exec_module
  File "numpy/core/_dtype_ctypes.py", line 25, in <module>
ImportError: dlopen(/Users/hannahwebb/Library/Application Support/org.inkscape.Inkscape/config/inkscape/extensions/inkstitch/inkstitch.app/Contents/MacOS/lib-dynload/_ctypes.cpython-38-darwin.so, 2): Symbol not found: _ffi_closure_alloc
  Referenced from: /Users/hannahwebb/Library/Application Support/org.inkscape.Inkscape/config/inkscape/extensions/inkstitch/inkstitch.app/Contents/MacOS/lib-dynload/_ctypes.cpython-38-darwin.so (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libffi.dylib
 in /Users/hannahwebb/Library/Application Support/org.inkscape.Inkscape/config/inkscape/extensions/inkstitch/inkstitch.app/Contents/MacOS/lib-dynload/_ctypes.cpython-38-darwin.so
[88207] Failed to execute script 'inkstitch' due to unhandled exception: dlopen(/Users/hannahwebb/Library/Application Support/org.inkscape.Inkscape/config/inkscape/extensions/inkstitch/inkstitch.app/Contents/MacOS/lib-dynload/_ctypes.cpython-38-darwin.so, 2): Symbol not found: _ffi_closure_alloc
  Referenced from: /Users/hannahwebb/Library/Application Support/org.inkscape.Inkscape/config/inkscape/extensions/inkstitch/inkstitch.app/Contents/MacOS/lib-dynload/_ctypes.cpython-38-darwin.so (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libffi.dylib
 in /Users/hannahwebb/Library/Application Support/org.inkscape.Inkscape/config/inkscape/extensions/inkstitch/inkstitch.app/Contents/MacOS/lib-dynload/_ctypes.cpython-38-darwin.so
[88207] Traceback:
Traceback (most recent call last):
  File "inkstitch.py", line 25, in <module>
  File "PyInstaller/loader/pyimod03_importers.py", line 495, in exec_module
  File "inkex/__init__.py", line 11, in <module>
  File "PyInstaller/loader/pyimod03_importers.py", line 495, in exec_module
  File "inkex/extensions.py", line 34, in <module>
  File "PyInstaller/loader/pyimod03_importers.py", line 495, in exec_module
  File "inkex/elements/__init__.py", line 13, in <module>
  File "PyInstaller/loader/pyimod03_importers.py", line 495, in exec_module
  File "inkex/elements/_polygons.py", line 31, in <module>
  File "PyInstaller/loader/pyimod03_importers.py", line 495, in exec_module
  File "inkex/bezier.py", line 29, in <module>
  File "PyInstaller/loader/pyimod03_importers.py", line 495, in exec_module
  File "numpy/__init__.py", line 142, in <module>
  File "PyInstaller/loader/pyimod03_importers.py", line 495, in exec_module
  File "numpy/core/__init__.py", line 99, in <module>
  File "PyInstaller/loader/pyimod03_importers.py", line 495, in exec_module
  File "numpy/core/_dtype_ctypes.py", line 25, in <module>
ImportError: dlopen(/Users/hannahwebb/Library/Application Support/org.inkscape.Inkscape/config/inkscape/extensions/inkstitch/inkstitch.app/Contents/MacOS/lib-dynload/_ctypes.cpython-38-darwin.so, 2): Symbol not found: _ffi_closure_alloc
  Referenced from: /Users/hannahwebb/Library/Application Support/org.inkscape.Inkscape/config/inkscape/extensions/inkstitch/inkstitch.app/Contents/MacOS/lib-dynload/_ctypes.cpython-38-darwin.so (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libffi.dylib
 in /Users/hannahwebb/Library/Application Support/org.inkscape.Inkscape/config/inkscape/extensions/inkstitch/inkstitch.app/Contents/MacOS/lib-dynload/_ctypes.cpython-38-darwin.so

This looks like an issue with Inkstitch, so maybe ask in that specific subforum: https://inkscape.org/forums/embroidery/

{Moved to the Inkstitch forum.]

This error usually shows up when you did not install the correct version for your system.

What is your macOS version and which Ink/Stitch version did you install?

https://inkstitch.org/docs/install-macos/