Is the AP model 1522 or 1252? I think you mean outdoor AP 1522 (which needs a mac filter). right?
please double check the mac filter you added. Try to delete then add it again if necessary. it is obvious that it is a mac filter problem. be sure that you add the correct mac address and it is written correctly with the correct format and the mac filter created for "any WLAN" and the interface Name is "management".
Hope this will solve the issue.
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