Package check result: ERROR

Check: examples, Result: ERROR
  Running examples in ‘BeeGUTS-Ex.R’ failed
  The error most likely occurred in:
  
  > base::assign(".ptime", proc.time(), pos = "CheckExEnv")
  > ### Name: LCx.beeSurvFit
  > ### Title: Predict the Lethal Concentration at which x% of organisms die
  > ###   for any specified time-point for a 'beeSurvFit' object
  > ### Aliases: LCx.beeSurvFit
  > 
  > ### ** Examples
  > 
  > ## No test: 
  > data(fitBetacyfluthrin_Chronic)
  > out <- LCx(fitBetacyfluthrin_Chronic)
  No time of LCx calculation entered, maximum time in the calibration dataset of 10 takenError in .check_ncores(length(names)) : 31 simultaneous processes spawned
  Calls: LCx ... LCx.beeSurvFit -> <Anonymous> -> makePSOCKcluster -> .check_ncores
  Execution halted