why does fit model error what is the minitab error? error message fits model may be nonstationary or noninvertible why is fit model nonstationary minitab error message fit may be nonstationary fit model may be nonstationary or noninvertible. completion of computation impossible what is minitab errors why does a minitab model fail why does minitab get error messages? minitab error message error message fitter what is the error message for fit model what is minitab error? why does minitab display errors fit model may be nonstationary or noninvertible completion of computation impossible? minitab fit model is found to be _____. why is fit model nonstationary i fit model may be nonstationary or noninvertible definition what is the error message for fit model error model may be nonstationary