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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
	120918	view	06:30, 31 January 2022	Egonw	Replaced an old HMDB identifier with the current one
	117013	view	11:23, 16 May 2021	Eweitz	Modified title
	106962	view	13:42, 17 September 2019	MaintBot	HMDB identifier normalization
	91818	view	06:29, 31 March 2017	Egonw	ROS is a metabolite, and better annotated with the matching Wikidata ID.
	87652	view	08:54, 25 July 2016	Lindarieswijk	Ontology Term : 'selenoamino acid metabolic pathway' added !
	82693	view	18:05, 22 October 2015	Egonw	Fixed a typo.
	73553	view	18:32, 30 January 2014	Egonw	H2O not H20....
	71774	view	20:30, 17 October 2013	MaintBot	Automated update of data sources
	69346	view	18:52, 8 July 2013	MaintBot	Updated to 2013 gpml schema
	69078	view	18:09, 8 July 2013	Egonw	Replaced an outdated HMDB identifier with the 3.5 one.
	68388	view	10:11, 4 July 2013	Egonw	Made the link to Wikipedia machine readable.
	68387	view	10:08, 4 July 2013	Egonw	Fixed a number of DataNode types.
	66317	view	17:34, 17 June 2013	MaintBot	Modified title
	58922	view	05:10, 21 February 2013	MaintBot	Updated Ensembl and UniProt data source
	58521	view	20:15, 14 February 2013	MaintBot	Modified title
	41659	view	02:34, 2 March 2011	MaintBot	Removed redundant pathway information and comments
	34057	view	19:04, 9 December 2009	MaintBot	Automatic update of empty xrefs
	31907	view	12:48, 14 August 2009	MaintBot	Fixed group labels
	31015	view	01:06, 30 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, 31907)
#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}