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Action edit is not allowed on comment pages.

Something is wrong with the BIS calculator on this page--this is the error message that pops up in the "Affiliation" section.

Lua error in Module:ItemList at line 515: attempt to index field '?' (a nil value).

Backtrace:

Module:ItemList:515: ?

(tail call): ? Module:ItemList:548: in function "create_list" Module:ItemList:976: ? (tail call): ? mw.lua:518: ? [C]: ?