Error in SQL Query The text, ntext, and image data types cannot be compared or sorted, except when using IS NULL or LIKE operator. for the query

hi Experts,

while running SQL Query i am getting an error as

The text, ntext, and image data types cannot be compared or sorted, except when using IS NULL or LIKE operator. for the query

select  T1. Dscription,T1.docEntry,T1.Quantity,T1.Price ,

T2.LineText

from OQUT T0  INNER JOIN QUT1 T1 ON T0.DocEntry = T1.DocEntry INNER JOIN

QUT10 T2 ON T1.DocEntry = T2.DocEntry where T1.DocEntry='590'

group by  T1. Dscription,T1.docEntry,T1.Quantity,T1.Price

,T2.LineText

how to resolve the issue