Package check result: ERROR

Check: examples, Result: ERROR
  Running examples in ‘OmopSketch-Ex.R’ failed
  The error most likely occurred in:
  
  > base::assign(".ptime", proc.time(), pos = "CheckExEnv")
  > ### Name: tableOmopSnapshot
  > ### Title: Create a visual table from a summarise_omop_snapshot result.
  > ### Aliases: tableOmopSnapshot
  > 
  > ### ** Examples
  > 
  > cdm <- mockOmopSketch(numberIndividuals = 10)
  Error in mockOmopSketch(numberIndividuals = 10) : 
    The package "duckdb" is required.
  Calls: mockOmopSketch -> <Anonymous>
  Execution halted