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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
	104907	view	19:17, 24 June 2019	Khanspers	Modified description
	104906	view	19:15, 24 June 2019	Khanspers	removed genmapp comments
	104823	view	12:58, 19 June 2019	Fehrhart	Modified description
	74148	view	11:32, 1 April 2014	Egonw	Replaced an InChI with a more traditional identifier.
	72159	view	12:14, 25 October 2013	Egonw	Added a missing metabolite ID.
	71802	view	20:34, 17 October 2013	MaintBot	Automated update of data sources
	69433	view	19:04, 8 July 2013	MaintBot	Updated to 2013 gpml schema
	67725	view	11:55, 26 June 2013	Ddigles	Ontology Term : 'tryptophan metabolic pathway' added !
	60278	view	22:09, 15 March 2013	Egonw	More ChEBI / PubChem-compound identifiers.
	60255	view	08:44, 15 March 2013	Egonw	More ChEBI identifiers.
	60235	view	22:09, 14 March 2013	Egonw	Added ChEBI ids for three metabolites.
	60234	view	22:04, 14 March 2013	Egonw	Converted many labels into Metabolite DataNode's.
	53504	view	10:06, 8 November 2012	Egonw
	47755	view	04:47, 6 April 2012	Khanspers	updated xrefs
	41758	view	02:41, 2 March 2011	MaintBot	Removed redundant pathway information and comments
	34128	view	19:29, 9 December 2009	MaintBot	Automatic update of empty xrefs
	32379	view	16:54, 15 August 2009	MaintBot	Fixed text labels
	32020	view	13:23, 14 August 2009	MaintBot	Fixed group labels
	31416	view	20:56, 13 August 2009	MaintBot	Fixed text labels
	30955	view	00:44, 30 July 2009	MaintBot	Converted from Homo sapiens
	21247	view	11:31, 14 November 2008	MaintBot	[[Pathway:Rattus norvegicus:Tryptophane Metabolism KEGG]] moved to [[Pathway:WP270]]: Moved to stable identifier
	8468	view	13:46, 7 January 2008	MaintBot	[[Pathway:Rat:Tryptophane Metabolism KEGG]] moved to [[Pathway:Rattus norvegicus:Tryptophane Metabolism KEGG]]: Renaming species
	7850	view	16:23, 18 December 2007	MaintBot	fixed category names
	7409	view	12:42, 4 November 2007	MaintBot	Added categories to GPML
	6606	view	22:20, 22 May 2007	L.M.Ferrante	gpml file for [[Rat:Tryptophane_Metabolism_KEGG]]

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, 30955)
#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}