[MediaWiki-l] Lua Scripting error

[John Foster]

Trying to get rid of this error.; all Mediawiki is completely updated to 
1.24.1: no wiki issues; Just Lua: i tried to download the newest Modules 
from Wikipedia since I use most of my templates from there; Still 
cropping up as below
Any Tips please;

Lua error in Module:In_the_news/image at line 19: attempt to index field 
'file' (a nil value).

Backtrace:

1. *(tail call)*: ?
2. *Module:In_the_news/image:19
   
<http://beast.physicswiki.net/index.php?title=Module:In_the_news/image&action=edit#mw-ce-l19>*:
   ?
3. *(tail call)*: ?
4. *mw.lua:497*: ?
5. *(tail call)*: ?
6. *[C]*: in function "xpcall"
7. *MWServer.lua:87*: in function "handleCall"
8. *MWServer.lua:301*: in function "dispatch"
9. *MWServer.lua:40*: in function "execute"
10. *mw_main.lua:7*: in main chunk
11. *[C]*: ?

Below is the source of actual module in question:Line 19 is highlighted in red:



-- This module implements [[Template:In the news/image]], which displays
-- the news image on the Main Page.

local mFileLink = require('Module:File link')

local p = {}

function p._main(args)
        if not args.image then
                return nil
        end
        if not args.title then
                error('no title specified', 2)
        end

        local imageTitle = mw.title.new(args.image, 6) -- NS_FILE
        if not imageTitle then
                error('invalid image title (check for bad characters): ' .. 
args.image, 2)
        elseif not imageTitle.file.exists then
                return string.format(
                        '<span class="error">No file exists at [[:%s]]</span>',
                        imageTitle.prefixedText
                )
        end

        local link
        if args.link then
                local linkTitle = mw.title.new(args.link, 6) -- NS_FILE
                if not linkTitle then
                        error('invalid link (check for bad characters): ' .. 
args.link, 2)
                elseif linkTitle ~= imageTitle then
                        if not linkTitle.file.exists then
                                return string.format(
                                        '<span class="error">No file exists at 
[[:%s]]</span>',
                                        linkTitle.prefixedText
                                )
                        end
                        link = linkTitle.prefixedText
                end
        end

        return string.format(
                '<div style="float:right;margin-left:0.5em;">\n%s</div>',
                mFileLink._main{
                        file = imageTitle.text,
                        link = link,
                        size = args.size or '100x100px',
                        border = args.border,
                        caption = args.title,
                        alt = args.alt or args.title
                }
        )
end

function p.main(frame)
        return p._main(require('Module:Arguments').getArgs(frame, {
                wrappers = 'Template:In the news/image'
        }))
end

return p


--
John Foster
JW Foster & Associates

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