Invalid TEXTPTR value used with WRITETEXT or READTEXT

Item	Value
SQLCODE	-608
Constant	SQLE_INVALID_TEXTPTR_VALUE
SQLSTATE	22W03
Sybase error code	7123
ODBC 2 State	ERROR
ODBC 3 State	ERROR

Probable cause

You supplied an invalid value as the TEXTPTR for a WRITETEXT or READTEXT statement.