Small changes

classes/manager/interaction_manager.php

@@ -47,6 +47,7 @@ class interaction_manager {
      * @param int $stepid id of the step instance
      * @param int $processid id of the process, the triggered action belongs to.
      * @param string $action action string
+     * @throws \invalid_parameter_exception
      */
     public static function handle_interaction($stepid, $processid, $action) {
         $step = step_manager::get_step_instance($stepid);
@@ -58,7 +59,7 @@ class interaction_manager {
             throw new \invalid_parameter_exception(get_string('noprocessfound', 'tool_cleanupcourses'));
         }
         $interactionlib = lib_manager::get_step_interactionlib($step->subpluginname);
-        return $interactionlib->handle_interaction($process, $step, $action);
+        $interactionlib->handle_interaction($process, $step, $action);
     }
 
     /**

view.php

@@ -52,7 +52,7 @@ if (interaction_manager::interaction_available($stepinstance->subpluginname)) {
 
     $table = new interaction_table('tool_cleanupcourses_interaction', $stepinstance->id);
 
-    $table->out(5000, false);
+    $table->out(50, false);
 
 } else {
     echo get_string('nointeractioninterface', 'tool_cleanupcourses');