ORA-600 [dmlsrvColLenChk_2:dty] Errors Inserting NULL Into CHAR Semantic Fields

(Doc ID 2011377.1)

Last updated on MAY 18, 2015

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.


The following error is shown in the alert log:

ORA-00600: internal error code, arguments: [dmlsrvColLenChk_2:dty], [2], [0], [16896], [], [], [], [], [], [], [], []

Call stack may include:

dmlsrvcollenchk qesltcfastrowoperandsevaluate qerltcloadrowcallback qermtrop qervwrowprocedure


Trace file show that an INSERT is being performed when the error occurs. SQL may also indicate that NULL values are being inserted.


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