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

Backtrace:

Module:WikidataIB:506: in function "chunk"
mw.lua:511: ?
[C]: in function "xpcall"
MWServer.lua:87: in function "handleCall"
MWServer.lua:301: in function "dispatch"
MWServer.lua:58: in function "getAllExpandedArguments"
mw.lua:188: in function "old_pairs"
...extensions/Scribunto/engines/LuaCommon/lualib/mwInit.lua:17: in function "pairs"
Module:Side_box:10: in function "chunk"
mw.lua:511: ?
[C]: in function "xpcall"
MWServer.lua:87: in function "handleCall"
MWServer.lua:301: in function "dispatch"
MWServer.lua:40: in function "execute"
mw_main.lua:7: in main chunk
[C]: ?

Category:Chinese physicists

Pages in category "Chinese physicists"