Thread:Talk:JQuery/jQuery load modules problem in mediawiki 1.17?/reply

The 'jquery.json' module was added to MediaWiki in version 1.18. Looks like you're using something that wasn't designed for MediaWiki 1.17. Perhaps you downloaded an extension from /trunk/ ? If so: either:
 * download an old version of the extension from /branches/REL1_17/extensions/;
 * or, wait until MediaWiki 1.18 or 1.19 is released (1.18 is scheduled for beta-release around September/November)
 * or, use MediaWiki from /trunk/ as well. note that trunk is not reviewed or stable. Not recommended for production/live wikis.