bertool errors about extract data and stopfunction

Hi everyone,

I'm newbie about communication systems.

I want to make analysis about BER to depends on SNR.Thus i have to use bertool after my simulink outputs,but i got some errors like:

[Dinesh Yadav]

Your model works perfectly fine in MATLAB R2020a. I could not replicated your error. Which version are you using?

[Egemen Civan]

OK.I have tried in R2020a.It works.Thank you :)