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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
	126341	view	09:04, 23 April 2023	Egonw	License is CCZero
	118104	view	10:55, 24 May 2021	Eweitz	Modified title
	115417	view	15:42, 18 February 2021	Egonw	Made three more pathways clickable
	102206	view	19:59, 10 December 2018	Egonw	Better ID for the ligand.
	96077	view	18:44, 15 February 2018	Khanspers	Modified description
	96069	view	18:40, 15 February 2018	Khanspers	Modified description
	74422	view	13:17, 18 April 2014	Egonw	Added missing interactions.
	74421	view	13:15, 18 April 2014	Egonw	Converted four labels into metabolite DataNodes with an identifier.
	68971	view	17:41, 8 July 2013	MaintBot	Updated to 2013 gpml schema
	59180	view	18:44, 22 February 2013	MaintBot	Updated Ensembl and UniProt data source
	45150	view	01:23, 7 October 2011	AlexanderPico	Specify description
	45149	view	01:23, 7 October 2011	AlexanderPico	fixed db refs
	45124	view	00:11, 7 October 2011	Khanspers	Ontology Term : 'G protein mediated signaling pathway' added !
	41142	view	23:39, 1 March 2011	MaintBot	Removed redundant pathway information and comments
	38850	view	17:54, 24 September 2010	Khanspers	Added pathway links
	38849	view	17:52, 24 September 2010	Khanspers
	34495	view	22:28, 16 December 2009	Khanspers	Added connector
	32376	view	16:52, 15 August 2009	MaintBot	Fixed text labels
	32012	view	13:20, 14 August 2009	MaintBot	Fixed group labels
	21199	view	11:31, 14 November 2008	MaintBot	[[Pathway:Homo sapiens:Small ligand GPCRs]] moved to [[Pathway:WP247]]: Moved to stable identifier
	14444	view	22:48, 22 May 2008	AlexanderPico	Reorganized for clarity
	14441	view	22:43, 22 May 2008	AlexanderPico	Connected!
	14436	view	22:41, 22 May 2008	AlexanderPico	Periodical save, work in progress
	14431	view	22:32, 22 May 2008	AlexanderPico	Fixed labels
	14429	view	22:32, 22 May 2008	AlexanderPico	Grouped by class
	13014	view	11:06, 17 May 2008	MaintBot	Sticky edges patch by Sjoerd
	8390	view	13:46, 7 January 2008	MaintBot	[[Pathway:Human:Small ligand GPCRs]] moved to [[Pathway:Homo sapiens:Small ligand GPCRs]]: Renaming species
	7812	view	16:19, 18 December 2007	MaintBot	fixed category names
	7446	view	12:42, 4 November 2007	MaintBot	Added categories to GPML
	6390	view	22:18, 22 May 2007	Nsalomonis	gpml file for [[Human:Small_ligand_GPCRs]]

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, 14441)
#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}