Plone: ValueError: Cache values may only be in one cache

Plone

I am receiving this error during my AT development when changing e.g. some method's body. I have noticed that I can go into my ZMI root -> Control_Panel/Products/XXX-MY-PRODUCT, find the Refresh tab and click "Refresh this product" and it works fine. I have also "Auto refresh mode" checked but it does not help in this situation.

ZMIのControl Panel > Products Management の [Auto refresh mode] にチェックを入れて，ProductsをRefreshした．
すると失敗したので，refresh.txtを消した．
再起動して，プロダクトのインストール画面へ行くと，
ValueError: Cache values may only be in one cache
と出るようになった．
再度refresh.txtを置いて，[Auto refresh mode] のチェックを外すとエラーは出なくなった．