I'm still not certain why you would find all the maxes. Wouldn't you want something like this?

If OBJECT_ID('tempdb..#EditLog') is not null

Drop table #EditLog

Create table #EditLog (

Id int identity not null,...

Aside of what Gail has already mentioned, the other reason for your error is

DECLARE @EditLog_CURSOR CURSOR FOR

is bad, it should be

DECLARE @EditLog_CURSOR CURSOR

SET @EditLog_CURSOR = CURSOR FOR

SELECT EL.Id

I...