When create new custom AOV with any new name(100% unique) in some scenes get error massage:
# Error: RuntimeError: file C:\Program Files\Autodesk\Maya2014\Python\lib\site-packages\pymel\internal\pmcmds.py line 134: 'ELF_eye_irisSG.ai_aov_test_AOV' is not a unique name. Cannot remove alias. #
Can’t find reason why its happens.