mca.triads : get.sup: no visible binding for global variable ‘id’
Undefined global functions or variables:
  id
mca.triads : get.sup: no visible binding for global variable ‘id’
Undefined global functions or variables:
  id
mca.triads : get.sup: no visible binding for global variable ‘id’
Undefined global functions or variables:
  id
mca.triads : get.sup: no visible binding for global variable ‘id’
Undefined global functions or variables:
  id
mca.triads : get.sup: no visible binding for global variable 'id'
Undefined global functions or variables:
  id
mca.triads : get.sup: no visible binding for global variable ‘id’
Undefined global functions or variables:
  id
mca.triads : get.sup: no visible binding for global variable ‘id’
Undefined global functions or variables:
  id
mca.triads : get.sup: no visible binding for global variable 'id'
Undefined global functions or variables:
  id
mca.triads : get.sup: no visible binding for global variable 'id'
Undefined global functions or variables:
  id