Issue while converting global to local coordinate system!

Can you please help me fix the problem here? latlon2local is the function in matlab library for converting global to local but it says its undefined. Thank you in adavance.

[millercommamatt]

Are you sure you have the Automated Driving Toolbox? If so, are you paths set correctly?

[Praveen Kumar Kannappan Jayaraman]

No I do not have the ADT add-on. Is it necessary?

[Jan]

@Praveen Kumar Kannappan Jayaraman: For future questions: Please post code as text, not as screenshot. Then it can be re-used by copy&paste to suggest a solution.

See:latlon2local - yes, this is part of the ADT.