Errors OpenBuilds fusion 360 post-processor

Hi im new to fusion and im having trouble making a plasma file,i keep getting these two errors i would love some help.
Warning: (OpenbuildsFusion360PostGrbl.cps:314) Setting read-only property "power" on object of type "PostProcessor". This will have no effect.
Error: Mismatching arguments for invocation of 'string VariableImpl.format(Number)' (Value is not a number.).

 

Thank you so much,the github file was outdated