Itgenduy006 on passing file to htmltable

Questions
1

On execution of:

select htable.*
from   htmltable
       ( '/'
         passing file 'web.html'
         columns org_id     varchar2 path '@data-organisation-id'
       )
       htable

an error is raised:

itgenduy006: A binary object of 50.910 bytes can not be converted to a text without explicit conversion instructions.