Unable to run Query

Unable to run Query

Good Morning
I have upgraded our version of ServiceDesk from 10017 to 11100 and am unable to run some of my reports anymore.

The one below is for our HD Productivity - Today report that was created.  We are on PQSQL.

Thank You

select DISTINCT(re.first_name) "Technician",
count (case when woh.operation='RESOLVED' then 1 else null end) "Resolved",
 count(case when woh.operation='CLOSE' then 1 else null end) "Closed",
 count(case when woh.operation='UPDATE'  then 1 else null end) "Modify"
 from workorderhistory woh
left join workorder wo on woh.workorderid=wo.workorderid
left join aaauser re on woh.operationownerid=re.user_id 

INNER JOIN HelpDeskCrew ON re.USER_ID=HelpDeskCrew.TECHNICIANID 
where 
woh.operationtime>= <from_today> AND woh.operationtime<= <to_today> 

 group by re.first_name

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