The Edit button doesn't work

The Edit button doesn't work.

<code>
PHP Version : 5.5.9-1ubuntu4.21
MySQL Version : 5.6.33-0ubuntu0.14.04.1-log
Fix jQuery? : Yes
Load JEvents Bootstrap CSS? : Yes
Load JEvents Bootstrap JS? : Yes
Max Input Vars ? : 1000
Club code set? : No
Joomla : 2.5.22
component_com_jevents : 3.2.21
component_com_jce : 2.3.2.4
module_mod_jevents_cal : 3.2.21
module_mod_jevents_custom : 3.2.21
module_mod_jevents_filter : 3.2.21
module_mod_jevents_latest : 3.2.21
module_mod_jevents_legend : 3.2.21
module_mod_jevents_switchview : 3.2.21
plugin_content_jevents : 3.2.21
plugin_finder_jevents : 3.2.21 (not enabled)
plugin_search_eventsearch : 3.2.21 (not enabled)
</code>