Hi Norbert ah, ok...that works! Thank you! Sabine |theCollection theString| theCollection := self database addCollection: 'persons'. theString := '{ "personnelNumber" : "002", "bankAccountNumber" : "45215460", "lastName" : "Tester", "plz" : "79214", "nextTripNumber" : 1, "displayBubbleTip" : "some", "fax" : "+49-762-34834-99", "isEmployer" : false, "street" : "Haslacher Strasse 2", "blz" : "68050101", "tableOfAccounts" : "SKR03", "place" : "Freiburg", "bankName" : "Comdirekt Bank", "subtractPaymentInKind" : true, "email" : "sabde.ddfel@gmail.com", "creationTimestamp" : "23.02.2013-10:39-143192709", "phone" : "+49-762-34834", "mobile" : "+49-151-38374637", "firstName" : "Susi" }'. theCollection add: (Dictionary new at: '002' put: theString; yourself). -- View this message in context: http://forum.world.st/MongoTalk-ns-name-too-long-error-tp4671488p4671642.htm... Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.