mirt error

[Emily]

I got a error message like this: 

.....

Calculating information matrix...

Iteration: 5, Log-Lik: -3530.222, Max-Change: 0.00026

Calculating information matrix...

Error in `rownames<-`(`*tmp*`, value = c("v1", "v2", "v3",  : 

  length of 'dimnames' [1] not equal to array extent

In addition: Warning message:

M-step optimizer converged immediately. Solution is either at the ML or

                     starting values are causing issues and should be adjusted.  

What shall I do? 

[Phil Chalmers]

The rownames() error seems odd. Can you provide a reproducible case?

Phil

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[Emily]

I realized that the error is due to some other code not from the mirt(). 

Thank you, Phil! 

Phil

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