New Version 1.0.0 Won't Load

[jneilliii]

Relevant error in octoprint.log:

2021-05-19 21:04:46,968 - octoprint.plugin.core - ERROR - Error loading plugin prusaslicerthumbnails
Traceback (most recent call last):
  File "/home/pi/OctoPrint/venv/lib/python3.7/site-packages/octoprint/plugin/core.py", line 1264, in _import_plugin
    module = _load_module(module_name, spec)
  File "/home/pi/OctoPrint/venv/lib/python3.7/site-packages/octoprint/plugin/core.py", line 69, in _load_module
    return imp.load_module(name, f, filename, details)
  File "/home/pi/OctoPrint/venv/lib/python3.7/site-packages/octoprint/vendor/imp.py", line 238, in load_module
    return load_package(name, filename)
  File "/home/pi/OctoPrint/venv/lib/python3.7/site-packages/octoprint/vendor/imp.py", line 212, in load_package
    return _load(spec)
  File "<frozen importlib._bootstrap>", line 696, in _load
  File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 728, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/home/pi/OctoPrint/venv/lib/python3.7/site-packages/octoprint_prusaslicerthumbnails/__init__.py", line 12, in <module>
    from PIL import Image
  File "/home/pi/OctoPrint/venv/lib/python3.7/site-packages/PIL/Image.py", line 109, in <module>
    from . import _imaging as core
ImportError: libopenjp2.so.7: cannot open shared object file: No such file or directory

Resolution: SSH to the device and install missing system dependency with the following command.

sudo apt-get install libopenjp2-7