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Mplus Discussion > Structural Equation Modeling >
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 learningmplus posted on Thursday, July 28, 2011 - 8:34 pm
Hi!

I get the following message. Could you please advise how to fix it so I don't get the error? Should I worry about this or not?

THE STANDARD ERRORS OF THE MODEL PARAMETER ESTIMATES MAY NOT BE
TRUSTWORTHY FOR SOME PARAMETERS DUE TO A NON-POSITIVE DEFINITE
FIRST-ORDER DERIVATIVE PRODUCT MATRIX. THIS MAY BE DUE TO THE STARTING
VALUES BUT MAY ALSO BE AN INDICATION OF MODEL NONIDENTIFICATION. THE
CONDITION NUMBER IS -0.313D-16. PROBLEM INVOLVING PARAMETER 81.
 Linda K. Muthen posted on Thursday, July 28, 2011 - 8:53 pm
Please send your output and license number to support@statmodel.com.
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