Serversecure doesn't load after a changelevel

[KabanFriends]

[ERROR] unable to find CNetChan::IsValidFileForTransfer
  1. unknown - [C]:-1
   2. require - [C]:-1
    3. unknown - lua/includes/modules/serversecure.lua:1
     4. require - [C]:-1
      5. unknown - lua/autorun/server/configure_serversecure.lua:1


[ERROR] lua/autorun/server/configure_serversecure.lua:1: Module not found!
  1. require - [C]:-1
   2. unknown - lua/autorun/server/configure_serversecure.lua:1

My server runs on windows.

[Doogls]

"changelevel" and "map" doesn't work also