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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
	124941	view	06:57, 3 January 2023	Egonw	More metabolites as DataNode and connected lines
	117280	view	10:46, 20 May 2021	Eweitz	Modified title
	107020	view	13:47, 17 September 2019	MaintBot	HMDB identifier normalization
	87228	view	14:47, 19 July 2016	Susan	Ontology Term : 'de novo pyrimidine biosynthetic pathway' added !
	87227	view	14:47, 19 July 2016	Susan	Ontology Term : 'PW:0000861' removed !
	87225	view	14:44, 19 July 2016	Susan	Ontology Term : 'pyrimidine biosynthetic pathway' added !
	72053	view	17:07, 24 October 2013	Mkutmon	updated annotation for pyrophosphate
	69864	view	17:26, 11 July 2013	Egonw	Marked a few DataNodes with CAS registry numbers as metabolites.
	69612	view	20:33, 8 July 2013	MaintBot	Updated to 2013 gpml schema
	41845	view	04:50, 2 March 2011	MaintBot	Removed redundant pathway information and comments
	20753	view	11:29, 14 November 2008	MaintBot	[[Pathway:Saccharomyces cerevisiae:De Novo Biosynthesis of Pyrimidine Deoxyribonucleotides]] moved to [[Pathway:WP36]]: Moved to stable identifier
	12684	view	07:57, 17 May 2008	MaintBot	automated metabolite conversion
	8687	view	14:06, 7 January 2008	MaintBot	Added to category $category
	8685	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, 12684)
#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}