Issues post processing a trajectory with the driver

[Leon Cole]

Hey!

I'm having issues using the plumed driver to post process an xtc trajectory file. Heres the error:

PLUMED: ********** END STACK DUMP **********
PLUMED:
PLUMED: (core/ActionWithValue.cpp:154) void PLMD::ActionWithValue::addComponentWithDerivatives(const std::string&)
PLUMED: a description of component q has not been added to the manual. Components should be registered like keywords in registerKeywords as described in the developer doc.
PLUMED: ################################################################################
PLUMED:                                               Cycles        Total      Average      Minimum      Maximum
PLUMED:                                                    1     0.004359     0.004359     0.004359     0.004359
terminate called after throwing an instance of 'PLMD::Plumed::ExceptionError'
  what():

********** STACK DUMP **********

Thanks! any help will be great!