Could not create a text index with external prefilter library on column "%1"

Error constant SQLE_TEXT_INDEX_PREFILTER_NOT_ALLOWED
ODBC 2 state ERROR
ODBC 3 state ERROR
Parameter 1 The name of the column for which external prefilter library is not allowed.
Severity 16
SQLCODE -1493
SQLSTATE WT031
Sybase error code 13210
 Probable cause
 More information
Copyright © 2012, iAnywhere Solutions, Inc. - SQL Anywhere 12.0.1