Lua error: Module:TNT:158: '''Missing JsonConfig extension, or not properly configured; Cannot load https://commons.wikimedia.org/wiki/Data:I18n/Documentation.tab. See https://www.mediawiki.org/wiki/Extension:JsonConfig#Supporting_Wikimedia_templates'''.

Backtrace:

(tail call): ?
[C]: in function "error"
Module:TNT:158: in function "loadData"
Module:TNT:182: ?
(tail call): ?
(tail call): ?
Module:Documentation/config:63: in function "init"
package.lua:103: ?
(tail call): ?
mw.lua:496: in function "executeModule"
mw.lua:768: in function "loadData"
Module:Documentation:8: in function "chunk"
mw.lua:496: ?
(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]: ?

Template:Always substitute