Getting the Licensing error: -39,147

I am using the MATLAB 2020b version on windows10. I have installed the curve fitting tool box, please check the attached file. I am getting the Licensing error: -39,147 when I am trying to use the curve fitting tool box. I have attached the all the installed tool box in MATLAB. Can you please help me in this regard. Thank you

[yanqi liu]

yes，sir，may be use

edit fit

to check it

[Parag K]

Thank you for your responce. It's opening a code of fit and I serarch for the licensing error but coudn't find any error statement like that. Are you suggesting to look for any specifics with edit fit ?

Thanks

Answer 1

[Saurabh]

Hi @Parag K,

Based on the provided screenshot, it appears that the MATLAB License Number is unknown, which could be the cause of the issue. To resolve this, please visit the link provided, which offers guidance on addressing this problem.

https://www.mathworks.com/matlabcentral/answers/1814650-why-does-a-license-show-up-as-unknown-in-output-of-ver

I hope this was helpful