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Error rendering pathway page

This revision of the pathway probably contains invalid GPML code. If this happens to the most recent revision, try reverting the pathway using the pathway history displayed below or contact the site administrators (see WikiPathways:About) to resolve this problem.

Pathway history

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Compare	Revision	Action	Time	User	Comment
	117291	view	11:03, 20 May 2021	Eweitz	Modified title
	92995	view	18:21, 21 July 2017	Khanspers	Modified description
	92994	view	18:21, 21 July 2017	Khanspers	removed GenMAPP notes
	92894	view	19:08, 14 July 2017	Egonw	Replace a CAS number for a totally different compound with the ChEBI ID for L-alanine.
	89707	view	06:57, 27 September 2016	Egonw	Replace the CAS number of the salt with that of just the metabolite.
	69942	view	20:17, 11 July 2013	Egonw	Marked a few DataNodes with CAS registry numbers as metabolites.
	69623	view	20:34, 8 July 2013	MaintBot	Updated to 2013 gpml schema
	67145	view	10:12, 26 June 2013	Christine Chichester	Ontology Term : 'de novo nicotinamide adenine dinucleotide biosynthetic pathway' added !
	41858	view	04:51, 2 March 2011	MaintBot	Removed redundant pathway information and comments
	21818	view	11:32, 14 November 2008	MaintBot	[[Pathway:Saccharomyces cerevisiae:De Novo NAD Biosynthesis]] moved to [[Pathway:WP541]]: Moved to stable identifier
	12688	view	07:58, 17 May 2008	MaintBot	automated metabolite conversion
	8693	view	14:06, 7 January 2008	MaintBot	Added to category $category
	8691	view	14:06, 7 January 2008	M.Braymer	Uploaded new pathway

Error details

exception 'MWException' with message 'Invalid pvjson, so cannot savePvjsonCache.' in /var/www/wikipathways/wpi/extensions/Pathways/Pathway.php:1278
Stack trace:
#0 /var/www/wikipathways/wpi/extensions/Pathways/Pathway.php(584): Pathway->savePvjsonCache()
#1 /var/www/wikipathways/wpi/extensions/Pathways/PathwayPage.php(295): Pathway->getPvjson()
#2 /var/www/wikipathways/wpi/extensions/Pathways/PathwayPage.php(169): PathwayPage->Diagram()
#3 /var/www/wikipathways/wpi/extensions/Pathways/PathwayPage.php(24): PathwayPage->render()
#4 [internal function]: renderPathwayPage(Object(Parser), '<?xml version="...', Object(StripState))
#5 /var/www/wikipathways/includes/Hooks.php(125): call_user_func_array('renderPathwayPa...', Array)
#6 /var/www/wikipathways/includes/parser/Parser.php(318): wfRunHooks('ParserBeforeStr...', Array)
#7 /var/www/wikipathways/includes/Article.php(3406): Parser->parse('<?xml version="...', Object(Title), Object(ParserOptions), true, true, 8691)
#8 /var/www/wikipathways/includes/Article.php(875): Article->outputWikiText('<?xml version="...', false)
#9 /var/www/wikipathways/includes/Wiki.php(437): Article->view()
#10 /var/www/wikipathways/includes/Wiki.php(59): MediaWiki->performAction(Object(OutputPage), Object(Article), Object(Title), Object(User), Object(WebRequest))
#11 /var/www/wikipathways/index.php(93): MediaWiki->initialize(Object(Title), Object(Article), Object(OutputPage), Object(User), Object(WebRequest))
#12 {main}