[Seaside] Internal Error

[Hilaire Fernandes]

I have this error that show up in the browser, when I am rendering this 
code:

It may look like an overflow (there are two PNG image) but I am not sure.


---
	(html paragraph)
		attributeAt: 'color'
		put: (moment isSuccess ifTrue: ['#c0ffc0'] ifFalse: ['#ff5050']);
		with:
			[html heading: self description level: 2.
			html text: 'Pas d''étayage : ' , self steps asString.
			html heading: 'Capture écran' level: 3.
			html
				text: 'Exercice de départ';
				break.
			(html image)
				document: moment pictureInitial;
				altText: 'Capture de l''exercice';
				fileName: 'sshot.png';
				mimeType: 'image/png'.
			html break.
			html
				text: 'Exercice réalisé';
				break.
			(html image)
				document: moment pictureFinal;
				altText: 'Capture de l''exercice';
				fileName: 'sshot.png';
				mimeType: 'image/png'.


---


Internal Error
Error: subscript is out of bounds: 2

MethodContext(Object)>>errorSubscriptBounds:
MethodContext(Object)>>at:
MethodContext>>tempAt:
[] in WAWalkback>>renderStackFrame:on: {[:name :index | self 
renderObject: (aContext tempAt: index) labelled: na...]}
OrderedCollection(SequenceableCollection)>>withIndexDo:
[] in WAWalkback>>renderStackFrame:on: {[receiver := aContext receiver. 
self renderObject: receiver labelled: '...]}
BlockContext>>renderOn:
WATableTag(WATagBrush)>>within:
[] in WATableTag(WATagBrush)>>with: {[self within: aBlock]}
BlockContext>>renderOn:
WARenderCanvas(WACanvas)>>nest:
WATableTag(WABrush)>>with:
WATableTag(WATagBrush)>>with:
WARenderCanvas(WAHtmlCanvas)>>table:
[] in WAWalkback>>renderStackFrame:on: {[html table: [receiver := 
aContext receiver. self renderObject: rec...]}
BlockContext>>renderOn:
WAGenericTag(WATagBrush)>>within:
[] in WAGenericTag(WATagBrush)>>with: {[self within: aBlock]}
BlockContext>>renderOn:
WARenderCanvas(WACanvas)>>nest: