Help using Base SAS procedures

PROC QLIM

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PROC QLIM

Can anyone give me any insight on running proc qlim for a tobit model? I have looked through the sas documentation but I am getting some strange results that I can't correlate with the documentation.

My proc code has a simple main effects model statement, a specified data set, a lower bound for my censored target, and a weight variable.

In my output, I am not getting beta estimates for all the variables. I am getting an error about non-convergence, but how would that lead to a predictor not getting any sort of parameter fitted at all?
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