ora-01733

SQL Virtual Column

I am getting the 'SQL Error: ORA-01733: virtual column not allowed here' Here is my code: update ( Select g.FIRST300BB from ( select FIRST300BB, row_number() over (order by pitchandeventid) r from gamedata_me where hitterid = 5000 and (eventcode = 'BB') ) g where r between 0 and 300 ) t set t.FIRST30...