Freeing Logical Log with Status U

Hello Clever Folks I'm looking for a little assistance. I've created new dbspace for physical and logical logs, and have indeed created 2 spaces for logical logs on separate disks, in order to reduce contention in rootdbs. After doing a level 0 archive I managed to move the physical log to the dbspace I've set up and have moved 5 of my logical logs into their respective spaces in a round-robin fashion. Here's the problem, after doing onlog -l to move to the next logical log in the new dbspace, I'm left with one logical log in rootdbs, with a status U, and when I try to drop this error message appears stating that logical log with status U cannot be dropped. I've since done another level 0 archive, and still the status of the log remains unchanged as status U. I then did a quiescent backup and the status is still U. Can anyone help me drop them !!!!! Cheers David Sorry I forgot to mention Informix OnLine 7.12.UC4 INDIVIDUAL LOGICAL LOGS Number Uniqid Flags Pages Used % Used Dbspace 1 31 U---C-L 250 48 19.20 logical_space_1 2 0 F------ 250 0 0.00 logical_space_2 3 0 F------ 250 0 0.00 logical_space_1 4 0 F------ 250 0 0.00 logical_space_2 5 0 A------ 250 0 0.00 logical_space_1 6 30 U------ 250 59 23.60 rootdbs