Hi, 

what is reason of this error (Not all parameters bound/registered ). this is not happening consistently.

those are class method parameters

Query GetWorkItemsByEncounterID(encounterID As %Integer, userId As %Integer, IsSuperOrDev As %Integer = -1, facilityAccessListCSV As %String(MAXLEN=32000), locationAccessListCSV As %Library.String(MAXLEN=32000), skipReferralFilter = 0) As %SQLQuery [ SqlName = spGetWorkItemsByEncounterID, SqlProc ]