Attempting to use unknown date format operator.
#6015 Run-time catchable error
Attempting to use unknown date format operator.
Additional Information
For Date format operator value: 'X'.
or
The =t format item of the X operator is not supported on this
system.
where X is either DATE or COMPILED-DATE.
Explanation
OmniMark has entered an unknown value in the operator position in a
date format string.