Error in Adding Mac Address in WLAN

Hi,
We have multiple wlan's here in our Company.
Im having trouble with  mac addresses which I registered BEFORE via mac filter
and DELETED it after couple of days.
Right now, I need to register this mac addresses again via MAC Filter but error appears below.
ERROR: User name 'xx:xx:xx:xx:xx:xx' is already used as a Mac Filter.
Need to specify unique MAC Address across Disabled Clients, AP auth,
Management users, Network users and Mac Filters
What can I do to be able to register the mac addresses that already removed to our WLC???
Thanks in advance for any help you can offer.

There are two spots that a mac filter is added.  You can only have a mac address in only one of these spots.  Verify that it is not in one of these spots.
Thanks,
Scott
Help out other by using the rating system and marking answered questions as "Answered"

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