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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
	116996	view	10:55, 16 May 2021	Eweitz	Modified title
	107235	view	14:33, 17 September 2019	MaintBot	ChEBI identifier normalization
	106966	view	13:42, 17 September 2019	MaintBot	HMDB identifier normalization
	71804	view	20:34, 17 October 2013	MaintBot	Automated update of data sources
	69446	view	19:06, 8 July 2013	MaintBot	Updated to 2013 gpml schema
	67545	view	11:23, 26 June 2013	Ddigles	Ontology Term : 'purine metabolic pathway' added !
	41774	view	02:42, 2 March 2011	MaintBot	Removed redundant pathway information and comments
	34141	view	19:33, 9 December 2009	MaintBot	Automatic update of empty xrefs
	32348	view	13:37, 15 August 2009	MaintBot	Fixed text labels
	31972	view	13:08, 14 August 2009	MaintBot	Fixed group labels
	31395	view	20:47, 13 August 2009	MaintBot	Fixed text labels
	31016	view	01:06, 30 July 2009	MaintBot	Converted from Homo sapiens
	20989	view	11:30, 14 November 2008	MaintBot	[[Pathway:Rattus norvegicus:Nucleotide Metabolism]] moved to [[Pathway:WP146]]: Moved to stable identifier
	8306	view	13:46, 7 January 2008	MaintBot	[[Pathway:Rat:Nucleotide Metabolism]] moved to [[Pathway:Rattus norvegicus:Nucleotide Metabolism]]: Renaming species
	7773	view	16:16, 18 December 2007	MaintBot	fixed category names
	7386	view	12:42, 4 November 2007	MaintBot	Added categories to GPML
	6582	view	22:20, 22 May 2007	N.Fidelman	gpml file for [[Rat:Nucleotide_Metabolism]]

Error details

exception 'MWException' with message 'Invalid pvjson, so cannot savePvjsonCache.' in /var/www/wikipathways/wpi/extensions/Pathways/Pathway.php:1277
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, 31016)
#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}