Listed below are the most common errors that may be encountered when installing the Blue Pencil 2 plug-in. If you are unable to resolve your installation issues using this guide, please do not hesitate to contact me.
Make sure that BluePencil2.mll (Windows) or BluePencil2.bundle (macOS) exists in Maya's default plug-ins directory or in a directory included in MAYA_PLUG_IN_PATH.
To verify that a directory is included in the MAYA_PLUG_IN_PATH variable, run the following MEL command:
When Maya fails to load a plugin, an error is generated and displayed in the script editor. Listed below are the most common errors and the likely cause.
Error: The specified procedure could not be found. (BluePencil2)
The wrong version of the plug-in is being loaded (e.g. loading Blue Pencil 2 for Maya 2017 in Maya 2018). Copy the correct version of Blue Pencil 2 to the plug-ins folder.