I have a dataset with 48 sites, 6 site co-variates, 5 sample covariates modelled for 5 occasions. I think I can fit up to at least 20 parameters. Whenever I run a base model psi(.)p(.) I get a estimates with SE. However, when I increase parameters estimates go haywire (infinity etc). Even running a correlated detection base model I get the same, does anyone have a fix for this in PRESENCE or is it that the data is bad?

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