JPresta Origin
#18 - The TinyMCE editor is too big or does not work
If you are using the module "SuperTinyMCE PRO" developed by Liewebs then you must add an exception in the configuration of this module for the controller "JprestaThemeConfiguratorLive". Also make sure to have at least version 1.2.2 of module "JPresta - Theme Configurator".