Triggers and sql

I have a trigger on a file which has been in place for years.  The ds is
defined like this:

Dparm1            ds
D parmfld                 1   3000
D  filename               1     10
D  filelib               11     20
D  mbrname               21     30
D  tgrevent              31     31
D  tgrtime               32     32
D  cmtlcklvl             33     33
D  qdbsrv104             34     36
D  ccsid                 37     40B 0
D  qdbcr                 41     44b 0
D  qdbrsv204             45     48
D  offsetorig            49     52B 0
D  lenorigrcd            53     56B 0
D  offorgnull            57     60B 0
D  lennullmap            61     64B 0
D  offstnewrc            65     68B 0
D  lennewrcd             69     72B 0
D  offstnewby            73     76B 0
D  lennewmap             77     80B 0
D
Dparm2            ds
D parm1len                1      4b 0


Everything is fine when the file is updated with traditional I/O but I get
an error when trying to update with sql.  I get the error on eval dtaqmsg =
parmfld.  But only with SQL.  Native i/o & dfu doesn't get the error.  The
error is MCH0601 Message. Space offset X'000013D0' or teraspace offset
X'0000000000000000' is outside current limit for object &1.

In debug, I can see the contents of parm1 and all of the subfields except
parmfld.  In debug, the error is CPF8E17 Pointer not set for location
referenced.  Anyone know what causes this, and why does it fail with sql
only?  The rest of the program is below.

Thanks for any help,

Phil


C     *entry        plist
C                   parm                    parm1
C                   parm                    parm2
C
C                   eval      dtaqmsg = parmfld
C
C                   call      'QSNDDTAQ'
C                   parm      'ORDERDQ'     dtaqname
C                   parm      '*LIBL'       dtaqlib
C                   parm      5000          dtaqmsgsz
C                   parm                    dtaqmsg
C                   return


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