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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
	118180	view	10:47, 25 May 2021	Eweitz	Modified title
	97912	view	16:16, 23 June 2018	Egonw	Replaced a salt with a parent ID (from PubChem)
	71893	view	10:20, 22 October 2013	Mkutmon	cahnged AICAR to metabolite and connected some lines
	70262	view	21:45, 15 July 2013	MaintBot	updated to 2013 schema
	69821	view	14:39, 11 July 2013	Egonw	Marked a few DataNodes with CAS registry numbers as metabolites.
	67144	view	10:12, 26 June 2013	Christine Chichester	Ontology Term : 'de novo purine biosynthetic pathway' added !
	41834	view	04:50, 2 March 2011	MaintBot	Removed redundant pathway information and comments
	36663	view	23:01, 9 April 2010	MaintBot
	36627	view	22:33, 9 April 2010	MaintBot	Description and bibliography added from SGD
	21107	view	11:30, 14 November 2008	MaintBot	[[Pathway:Saccharomyces cerevisiae:De Novo Biosynthesis of Purine Nucleotides]] moved to [[Pathway:WP203]]: Moved to stable identifier
	12682	view	07:57, 17 May 2008	MaintBot	automated metabolite conversion
	8684	view	14:06, 7 January 2008	MaintBot	Added to category $category
	8682	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, 8684)
#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}