fixed-em_map_meta_cap.diff

Index: em-posts.php
===================================================================
--- em-posts.php    (revision 630082)
+++ em-posts.php    (working copy)
@@ -295,6 +295,9 @@
 }

 function em_map_meta_cap( $caps, $cap, $user_id, $args ) {
+
+   if ( isset( $args[0] ) ) {
+
    /* Handle event reads */
    if ( 'edit_event' == $cap || 'delete_event' == $cap || 'read_event' == $cap ) {
        $EM_Event = em_get_event($args[0],'post_id');
@@ -383,6 +386,9 @@
                break;
        }
    }
+
+   }
+
    /* Return the capabilities required by the user. */
    return $caps;
 }