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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
	117006	view	11:20, 16 May 2021	Eweitz	Modified title
	109407	view	18:00, 16 March 2020	L Dupuis	Converted interactions to graphical lines
	106976	view	13:43, 17 September 2019	MaintBot	HMDB identifier normalization
	71789	view	20:33, 17 October 2013	MaintBot	Automated update of data sources
	69399	view	18:59, 8 July 2013	MaintBot	Updated to 2013 gpml schema
	67607	view	11:32, 26 June 2013	Ddigles	Ontology Term : 'prostaglandin metabolic pathway' added !
	41716	view	02:38, 2 March 2011	MaintBot	Removed redundant pathway information and comments
	34095	view	19:17, 9 December 2009	MaintBot	Automatic update of empty xrefs
	32392	view	16:59, 15 August 2009	MaintBot	Fixed text labels
	32040	view	13:28, 14 August 2009	MaintBot	Fixed group labels
	31427	view	21:00, 13 August 2009	MaintBot	Fixed text labels
	30941	view	00:40, 30 July 2009	MaintBot	Converted from Homo sapiens
	21317	view	11:31, 14 November 2008	MaintBot	[[Pathway:Rattus norvegicus:Prostaglandin synthesis regulation]] moved to [[Pathway:WP303]]: Moved to stable identifier
	8346	view	13:46, 7 January 2008	MaintBot	[[Pathway:Rat:Prostaglandin synthesis regulation]] moved to [[Pathway:Rattus norvegicus:Prostaglandin synthesis regulation]]: Renaming species
	7791	view	16:17, 18 December 2007	MaintBot	fixed category names
	7394	view	12:42, 4 November 2007	MaintBot	Added categories to GPML
	6587	view	22:20, 22 May 2007	Nsalomonis	gpml file for [[Rat:Prostaglandin_synthesis_regulation]]

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, 41716)
#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}