Hi AllI have the folowing query which parses succefully but when executing it i get the following errors:Msg 4104, Level 16, State 1, Line 1The multi-part identifier "P1.NUMBER" could not be bound.Msg 4104, Level 16, State 1, Line 1The multi-part identifier "P1.NUMBER" could not be bound.My query isWITH CTE AS (SELECT ROW_NUMBER() OVER (PARTITION BY P1.Category ORDER BY P1.Category) AS 'RowNo', P1.NUMBER,P1.OPEN_TIME, P1.CONTACT_NAME, P1.CATEGORY,P1.SUBCATEGORYFROM PROBSUMMARYM1 P1JOIN PROBSUMMARYM2 P2 On P1.NUMBER=P2.NUMBER)SELECT P1.NUMBER,OPEN_TIME, CONTACT_NAME, CATEGORY,SUBCATEGORYFROM CTEJOIN PROBSUMMARYM2 P2 On P1.NUMBER=P2.NUMBERWHERE RowNo >= 10