Normally the program will stop if certain errors occur. If GEO-OK is present, the job will continue, but there is an increased probability that the results will not be meaningful. The errors that are affected are:
If two atoms are within 0.1 Ångstroms of each other.
In practice, most jobs that terminate due to these checks contain errors in data, so caution should be exercised if GEO-OK is used.
In MOZYME calculations, if the supplied charge is incorrect and GEO-OK is present, it will be replaced by the correct charge, and the calculation allowed to continue.