pqReadData() -- backend closed the channel unexpectedly.

Hi,

how can I determine WHY this happens:

pqReadData() -- backend closed the channel unexpectedly.

The SQL was:

May 08 20:52:10 dbmagic[605] Failed:<PostgreSQLExpression: "UPDATE  DIAGNOSE
 SET  CREATION_DATE = 'Thu Apr 22 11:01:55 1999 CEST', CREATION_USER =
'GUSTAV', VERWEILDAUER = 0, ART = 'Y', TEXT = 'Pulmonale Metastasierung',
AUFENTHALTNR = 68571, NR = 312659, OPNR = NULL, DAUERDIAGNOSENR = 1000002632,
MODIFICATION_USER = 'GUSTAV', MODIFICATION_DATE = 'Thu Apr 22 11:01:55 1999
CEST', ZEIT = 'Thu Apr 22 11:01:00 1999 CEST'  WHERE  NR = 312659">

+----------------------------------+----------------------------------+------
| art                              | varchar() not null               |     1
| aufenthaltnr                     | int4 not null                    |     4
| creation_date                    | datetime                         |     8
| creation_user                    | varchar()                        |    30
| dauerdiagnosenr                  | int4 not null                    |     4
| modification_date                | datetime                         |     8
| modification_user                | varchar()                        |    30
| nr                               | int4 not null                    |     4
| opnr                             | int4                             |     4
| text                             | varchar() not null               |   250
| verweildauer                     | int4                             |     4
| zeit                             | datetime                         |     8

This is with postgresql-6.4.2 on NetBSD 1.3.2/intel

Thanks in advance.
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