Lua error in package.lua at line 80: module 'strict' not found.

Backtrace:

(tail call): ?
[C]: in function "error"
package.lua:80: in function "load"
package.lua:99: in function "require"
Module:Commons_link:1: in function "chunk"
mw.lua:494: ?
(tail call): ?
[C]: in function "xpcall"
MWServer.lua:99: in function "handleCall"
MWServer.lua:313: in function "dispatch"
MWServer.lua:70: ?
(tail call): ?
mw.lua:194: in function "old_pairs"
...ribunto/includes/engines/LuaCommon/lualib/mwInit.lua:17: in function "pairs"
Module:Side_box:150: in function "chunk"
mw.lua:525: ?
(tail call): ?
[C]: in function "xpcall"
MWServer.lua:99: in function "handleCall"
MWServer.lua:313: in function "dispatch"
MWServer.lua:52: in function "execute"
mw_main.lua:7: in main chunk
[C]: ?