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ERL and ERR - error-trapping functions that return program-specific
              status information after an error
Syntax
  ERR
  ERL
 
  ■ ERR is an integer function that returns an error code for the last
    error that occurred
  ■ ERL is an integer function that returns the line number where the
    error occurred, or the last line number before the line where the
    error occurred. ERL returns no line label information.
 
See Also  ◄ON ERROR►  ◄RESUME►  ◄ERROR►