text: __version__ = "2.9.0"
  
  
  class ConfigError(Exception):
      """Raised when the configuration of a tool contains some invalid values."""
      rc = 100  # sys.exit(rc)
  
  
  class CustomDatabaseNotFound(Exception):
      """Raised when the InputLocator can't find a user-provided database (region=='custom')"""
      rc = 101  # sys.exit(rc)
  
  
  class ScriptNotFoundException(Exception):
      """Raised when an invalid script name is used."""
      rc = 102  # sys.exit(rc)