Thread:Project:Support desk/Adding an infobox, index or similar/reply (13)

I'm sorry, I'm not 79.136.64.84 ;) I'm another user. And what shows in my page (I wrote only Sidebar in {} brackets):

Lua error in module „mw.html.lua”, in line 345: Tag name must be a string.

Backtrace: (tail call): ? [C]: in function „error” mw.html.lua:345: in function „create” Moduł:Sidebar:28: in function „chunk” mw.lua:567: ? (tail call): ? [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]: ?

And I copied and pasted Sidebar module from here: []