Clear_Expired_Flags:
   type: task
   speed: 0t
   debug: false
   script:
   - define timing <server.current_time_millis>
   - define cleared_server_flags 0
   - foreach <server.list_flags> {
-    - if !<server.has_flag[<def[value]>]> cleared_server_flags:++
+    - if !<server.has_flag[<def[value]>]> define cleared_server_flags <def[cleared_server_flags].add[1]>
     }
   - define cleared_player_flags 0
   - foreach <server.list_players> {
     - define p <def[value]>
     - foreach <def[p].list_flags> {
-      - if !<def[p].has_flag[<def[value]>]> cleared_player_flags:++
+      - if !<def[p].has_flag[<def[value]>]> define cleared_player_flags <def[cleared_player_flags].add[1]>
       }
     }
   - execute as_server "denizen save" silent
   - debug debug "Cleared <def[cleared_server_flags]> server flags and <def[cleared_player_flags]> player flags in <server.current_time_millis.sub[<def[timing]>]>ms"