&error_control
    long clear_error_settings = 1;
    long summarize_error_settings = 0;
    STRING error_log = NULL;
&end
clear_error_settings -- Clear all previous error settings.
summarize_error_settings -- Summarize current error settings.
error_log -- The (incomplete) name of a SDDS file to which error values will be written.  Recommended value: ``%s.erl''.