Syllabus template

[adkinsjm]

Getting this error when Knitting the default template without any changes:

processing file: Untitled.Rmd
Quitting from lines 28-149 (Untitled.Rmd)
Error in dev.control(displaylist = if (record) "enable" else "inhibit") :
dev.control() called without an open graphics device
Calls: ... call_block -> block_exec -> eng_r -> chunk_device -> dev.control
In addition: Warning messages:
1: In grSoftVersion() :
unable to load shared object '/Library/Frameworks/R.framework/Resources/modules//R_X11.so':
dlopen(/Library/Frameworks/R.framework/Resources/modules//R_X11.so, 0x0006): Library not loaded: /opt/X11/lib/libSM.6.dylib
Referenced from: /Library/Frameworks/R.framework/Versions/4.1-arm64/Resources/modules/R_X11.so
Reason: tried: '/opt/X11/lib/libSM.6.dylib' (no such file), '/Library/Frameworks/R.framework/Resources/lib/libSM.6.dylib' (no such file), '/Library/Java/JavaVirtualMachines/jdk-17.jdk/Contents/Home/lib/server/libSM.6.dylib' (no such file)
2: In cairoVersion() :
unable to load shared object '/Library/Frameworks/R.framework/Resources/library/grDevices/libs//cairo.so':
dlopen(/Library/Frameworks/R.framework/Resources/library/grDevices/libs//cairo.so, 0x0006): Library not loaded: /opt/X11/lib/libXrender.1.dylib
Referenced from: /Library/Frameworks/R.framework/Versions/4.1-arm64/Resources/library/grDevices/libs/cairo.so
Reason: tried: '/opt/X11/lib/libXrender.1.dylib' (no such file), '/Library/Frameworks/R.framework/Resources/lib/libXrender.1.dylib' (no such file), '/Library/Java/JavaVirtualMachines/jdk-17.jdk/Contents/Home/lib/server/libXrender.1.dylib' (no such file)
3: In (function (filename = if (onefile) "Rplots.pdf" else "Rplot%03d.pdf", :
failed to load cairo DLL
Execution halted

[adkinsjm]

Think I figured it out. How do you make the yaml header stuff optional? If you delete classroom, it just lists it TBD.