Lua error in Module:WikidataIB at line 506: attempt to index field 'wikibase' (a nil value).

Backtrace:

(tail call): ?
Module:WikidataIB:506: ?
(tail call): ?
mw.lua:527: ?
(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:177: ?
Module:String:528: in function "_getParameters"
Module:String:395: in function "chunk"
mw.lua:527: ?
(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:196: in function "old_pairs"
...ribunto/includes/engines/LuaCommon/lualib/mwInit.lua:17: in function "pairs"
Module:Side_box:161: in function "chunk"
mw.lua:527: ?
(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]: ?

Module:Philosophical arguments

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