Cause: The document specified for
linguistic extraction could not be parsed. This could indicate that the
document is not well-formed English
Action: check the document
contents

Relared Errors:
DRG-11403:
primary key value too long
DRG-11404: no
primary key value specified
DRG-11410:
could not insert into string result table
DRG-11418:
insufficient document content for linguistic parser
DRG-11422:
linguistic initialization failed
DRG-11425: gist
level string is invalid
DRG-11427:
valid gist level values are string
DRG-11432: file
error while accessing knowledge base
DRG-11435:
primary key value is invalid
DRG-11439:
index name length exceeds maximum of string bytes