SQL changes - what is error telling me?

The following SQL functions well:

Insert into jrnflb4af

select * from jrnflALL
where joseqn in(
select min(joseqn) from jrnflall
group by joobj, joctrr
union
select max(joseqn) from jrnflall
group by joobj,joctrr)
order by joobj,joctrr,joseqn


I made the following changes (in CAPS) to add DATE/TIME in front of JOSEQN:

Insert into jrnflb4af

select * from jrnflALL
where JOCTRR = 8232817 AND
joseqn in(
select min (JODATE || CHAR(JOTIME) || CHAR(joseqn)) from jrnflall
group by joobj, joctrr
union
select max (JODATE || CHAR(JOTIME) || CHAR(joseqn)) from jrnflall
group by joobj,joctrr)
order by joobj,joctrr, CHAR(joseqn)


Now I get this ugly incomprehensible error: What is this complaining about??

6697 entries converted from journal JRNLCMIS in PDBJRNLIB.
Member JRNFLB4AF file JRNFLB4AF in JSTONE cleared.
Function error X'1720' in machine instruction. Internal dump identifier
(ID) 0201590F.
Ownership of object DBOPTRC12 in QTEMP type *FILE changed.
File DBOPTRC12 created in library QTEMP.
Object DBOPTRC12 in QTEMP type *FILE deleted.
*** DBOP open FAILED. Exception from call to SLIC! ***.
Internal failure occurred in query processor.
SQL system error.
Ownership of object QP0Z984297 in QUSRSYS type *USRSPC changed.
File QAP0ZDMP in library QTEMP already exists.
User Trace data for job 984297/JSTONE/MN001CPNBA dumped to member
QP0Z984297 in file QAP0ZDMP in library QTEMP.
28 records copied from member QP0Z984297.
1 User Trace buffer(s) deleted.
RUNSQLSTM command failed.
SQL9010 received by ETJ021 at 11300. (C D I R)
? C
Function check. SQL9010 unmonitored by ETJ021 at statement 11300,
instruction X'0072'.

Thanks!



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