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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
	117945	view	10:45, 23 May 2021	Eweitz	Modified title
	94903	view	21:03, 12 October 2017	Khanspers	connected interaction
	94819	view	02:51, 6 October 2017	Khanspers	Modified description
	94818	view	02:48, 6 October 2017	Khanspers	removed old GenMAPP comments
	94817	view	02:43, 6 October 2017	Khanspers	fixed interactions and updated layout
	78439	view	10:26, 7 January 2015	MaintBot	added missing graphIds
	69159	view	18:19, 8 July 2013	MaintBot	Updated to 2013 gpml schema
	67644	view	11:43, 26 June 2013	Ddigles	Ontology Term : 'sphingosine 1-phosphate signaling pathway' added !
	41348	view	00:26, 2 March 2011	MaintBot	Removed redundant pathway information and comments
	33389	view	14:44, 30 November 2009	MaintBot	Removed group label
	32718	view	23:34, 2 September 2009	MaintBot	Added groups and connected
	20797	view	11:29, 14 November 2008	MaintBot	[[Pathway:Mus musculus:S1P Signaling]] moved to [[Pathway:WP57]]: Moved to stable identifier
	8374	view	13:46, 7 January 2008	MaintBot	[[Pathway:Mouse:S1P Signaling]] moved to [[Pathway:Mus musculus:S1P Signaling]]: Renaming species
	7805	view	16:19, 18 December 2007	MaintBot	fixed category names
	7293	view	12:41, 4 November 2007	MaintBot	Added categories to GPML
	6492	view	22:19, 22 May 2007	S.Doniger	gpml file for [[Mouse:S1P_Signaling]]

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, 6492)
#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}