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Ms. Rachel Rotz

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  1. Hi All, I have a model in Visual Modflow Classic and trying to run WinPEST using concentration values in the objective function. When I used head values as the objective function to estimate parameters with PEST, it ran fine. But when I use only concentration values, I keep getting an error: "Cannot open model output file "projectname.001.COB." I am running everything as an administrator and cannot even find a .COB file on my computer. I've uninstalled and reinstalled the program, tried different versions of the models, and even changed the number of concentration observations to reduce complexity. I can't get PEST to run. Anyone ever see this error or have recommendations on what to do? Thanks so much!
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