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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
	117357	view	11:56, 20 May 2021	Eweitz	Modified title
	96355	view	17:12, 9 March 2018	Egonw	Replaced secondary ChEBI identifiers with primary identifiers.
	91898	view	19:29, 3 April 2017	Khanspers	overhaul
	89706	view	06:55, 27 September 2016	Egonw	Replace the CAS number of the salt with that of just the metabolite.
	69941	view	20:15, 11 July 2013	Egonw	Marked a few DataNodes with CAS registry numbers as metabolites.
	69667	view	20:40, 8 July 2013	MaintBot	Updated to 2013 gpml schema
	67734	view	11:56, 26 June 2013	Ddigles	Ontology Term : 'tyrosine biosynthetic pathway' added !
	41910	view	04:54, 2 March 2011	MaintBot	Removed redundant pathway information and comments
	36637	view	22:36, 9 April 2010	MaintBot	Description and bibliography added from SGD
	21812	view	11:32, 14 November 2008	MaintBot	[[Pathway:Saccharomyces cerevisiae:Tyrosine Biosynthesis]] moved to [[Pathway:WP538]]: Moved to stable identifier
	12887	view	08:07, 17 May 2008	MaintBot	automated metabolite conversion
	8990	view	14:14, 7 January 2008	MaintBot	Added to category $category
	8988	view	14:14, 7 January 2008	M.Braymer	Uploaded new pathway

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, 12887)
#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}