[Help-smalltalk] Problem with ServerSocket

[Pupeno]

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Running the following line:
queue := TCP ServerSocket port: 3000.
I get the following backtrace:
UndefinedObject(Object)>>#doesNotUnderstand:
STInST.RBScanner>>#scanNumberValue
STInST.RBScanner>>#scanNumber
STInST.RBScanner>>#scanToken
STInST.RBScanner>>#next
STInST.RBParser>>#step
STInST.RBParser>>#parseKeywordMessageWith:
STInST.RBParser>>#parseKeywordMessage
STInST.RBParser>>#parseCascadeMessage
STInST.RBParser>>#parseAssignment
STInST.RBParser>>#parseAssignment
STInST.RBParser>>#parseStatementList:into:
STInST.RBParser>>#parseStatements:
STInST.RBParser>>#parseExpression
STInST.RBParser class>>#parseExpression:onError:
BLOX.BLOXBrowser.PWorksheetText>>#doEval:ifError:
BLOX.BLOXBrowser.PWorksheetText(BLOX.BLOXBrowser.PText)>>#eval
can anybody tell me what's wrong ? what am I doing wrong ? How do I open a 
server socket ?
Thanks.
- -- 
Pupeno: address@hidden - http://www.pupeno.com
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