JEvents displays Error While Rendering Module

PHP Version : 5.4.40

MySQL Version : 5.5.42-37.1-log

Joomla : 3.4.1

component_com_jevents : 3.2.15

module_mod_jevents_cal : 3.2.15

module_mod_jevents_custom : 3.2.15

module_mod_jevents_filter : 3.2.15

module_mod_jevents_latest : 3.2.15

module_mod_jevents_legend : 3.2.15

module_mod_jevents_switchview : 3.2.15

plugin_content_jevents : 3.2.15

plugin_finder_jevents : 3.2.15 (not enabled)

plugin_search_eventsearch : 3.2.15

This is being displayed in a RocketTheme Callisto template. This is a new install of Joomla, RocketTheme, Community Builder and Jevents. Any idea if this is a Jevents problem or a Joomla problem? No other parts of the system are giving this message.

Thanks, Neil