I have 1.5.22 joomla version. Version of J4Schema is the lastest. Mootools upgrate plugin is enabled. When I try to add new type or attribute using button into JCE editor I can see any types or attributes in popup window (please, look on screenshot). What I can to do to solve this problem?
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I tried to reload frame, but nothing was happened. It still is window with any attributes or types. Maybe there is some conflict with other installed joomla extensions or some features of J4schema are not supported by my host provider?