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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
	120927	view	19:23, 31 January 2022	Egonw	Replaced an old HMDB identifier with the current one
	120434	view	16:51, 1 December 2021	Egonw	Removed spaces from two pubmed identifiers
	118118	view	10:58, 24 May 2021	Eweitz	Modified title
	106063	view	11:57, 16 August 2019	MaintBot	HMDB identifier normalization
	102897	view	10:28, 27 January 2019	Egonw	Replace a PubChem SID with a CID
	102080	view	19:35, 28 November 2018	Egonw	Removed whitespace in PubMed identifiers.
	87512	view	01:51, 25 July 2016	AlexanderPico	Ontology Term : 'classic metabolic pathway' added !
	87511	view	01:50, 25 July 2016	AlexanderPico	Ontology Term : 'folic acid deficiency pathway' added !
	82694	view	18:08, 22 October 2015	Egonw	Fixed a typo.
	74496	view	15:57, 26 April 2014	Egonw	Fixed a PubMed ID.
	74164	view	09:50, 2 April 2014	Egonw	Updated the PubChem-substance data source.
	74163	view	09:49, 2 April 2014	Egonw	Updated the PubChem-compound data source.
	74162	view	09:47, 2 April 2014	Egonw	Marked two GeneProducts as such.
	74158	view	09:35, 2 April 2014	Egonw	Replaced an outdated HMDB identifier with the 3.5 one.
	71452	view	19:16, 17 October 2013	MaintBot	Automated update of data sources
	68508	view	21:52, 5 July 2013	MaintBot	Updated to 2013 gpml schema
	40660	view	21:48, 1 March 2011	MaintBot	Removed redundant pathway information and comments
	33952	view	18:21, 9 December 2009	MaintBot	Automatic update of empty xrefs
	33197	view	18:19, 5 November 2009	Khanspers	Modified categories
	32269	view	13:04, 15 August 2009	MaintBot	Fixed text labels
	31802	view	12:19, 14 August 2009	MaintBot	Fixed group labels
	31297	view	20:09, 13 August 2009	MaintBot	Fixed text labels
	30761	view	23:12, 29 July 2009	MaintBot	New pathway

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, 32269)
#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}