Cause: The required fields were missing
from the content of the element.
Action: Add the
fields.

Relared Errors:
LSX-00294:
field ~S produced multiple hits
LSX-00295:
field element ~S is not a simple type
LSX-00300:
group must have name or ref but not both
LSX-00310:
local element or attribute should be namespace qualified
LSX-00311:
local element or attribute shouldn`t be namespace qualified
LSX-00320:
missing required elements in <all>
LSX-00330:
missing range start character
LSX-00331:
missing comma
LSX-00332: bad
decimal digits in a quantifier specification
LSX-00333:
literal ~S is not valid with respect to the pattern