SQL0104N An unexpected token "<token>" was found following "<text>".
Expected tokens may include: "<token-list>".
A syntax error in the SQL statement or the input command string for the
SYSPROC.ADMIN_CMD procedure was detected at the specified token
following the text "<text>". The "<text>" field indicates the 20
characters of the SQL statement or the input command string for the
SYSPROC.ADMIN_CMD procedure that preceded the token that is not valid.
As an aid, a partial list of valid tokens is provided in the SQLERRM
field of the SQLCA as "<token-list>". This list assumes the statement is
correct to that point.
The statement cannot be processed.
Examine and correct the statement in the area of the specified token.
which means "describe" command is not supported by SYSPROC.ADMIN_CMD stored procedure and "db2batch" uses ADMIN_CMD stored procedure internally to process the commands in the script file.