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Harry, Judging from the gembud exchanges today, others are using the current 5.9.1 version of GEMPAK compiled with ifort. There certainly could be problems with 5.8.3, but in general, the FL type of error you have could be as a result of your optimization settings conflicting with the gemlib ST_ library routines. In particular, high level optimization often breaks the routines where a single variable is passed as both the input and output argument of the fortran routine (typical with the DEC compiler, and -O3 under Solaris). Steve Chiswell Unidata User Support > I am trying to run a version of dcgrib2 compiled with the Intel Fortran > compiler version 9. When I run it I get: > > [3975] 060508/1554[DC 3] Version 5.8.3a > [3975] 060508/1554[DC -11] > [3975] 060508/1554[FL -5] > [3975] 060508/1554[DM -6] data/gempak/model/gfs/2006050800_gfs.gem > [3975] 060508/1554[GD -1] data/gempak/model/gfs/2006050800_gfs.gem > [3975] 060508/1554[DCGRIB 2] Error creating file [-1]: > data/gempak/model/gfs/200 > 6050800_gfs.gem > [3975] 060508/1554[FL -4] > [3975] 060508/1554[DM -7] data/gempak/model/gfs/2006050800_gfs.gem > [3975] 060508/1554[GD -2] data/gempak/model/gfs/2006050800_gfs.gem > [3975] 060508/1554[DCGRIB 1] Grid navigation 3 incompatible with file > data/gempa > k/model/gfs/2006050800_gfs.gem > > ... > > I have verified that the output file does not exist before running > dcgrib2. Have you seen this before, or have any idea what the problem > may be? > > Ticket Details =================== Ticket ID: VYM-957557 Department: Support GEMPAK Priority: Normal Status: Closed