In my simulink model, when I insert "embedded matlab function block", the model on running shows the error that path not found after specifying a path name. please help me what to do?

I want to embed simulink model with m file and for that I want to use MATLAB FCN block compulsorily. but it is showing path error. please help me with this error.

[Kaustubha Govind]

Please paste the exact error message and the MATLAB code at the line that the error points to.