Error in optimize classification ensemble

Hi, I encountered an unexpected error while I was running a live script regarding "optimize classification ensemble" I didn't modify and just ran it.

< Error message: Too many input arguments (in Korean) >. Could anyone help me?

[Walter Roberson]

Which MATLAB version are you using?

What shows up for

which -all nanmax

[Jaeyoung Shin]

I am using 2018b.

Here is the results of 'which -all nanmax'

E:\Program Files\MATLAB\R2018b\toolbox\stats\stats\nanmax.m

E:\Program Files\MATLAB\R2018b\toolbox\finance\ftseries\@fints\nanmax.m % fints method

E:\Program Files\MATLAB\R2018b\toolbox\stats\distributed\@distributed\nanmax.m % distributed method

[Walter Roberson]

Could you confirm that the error about "too many input arguments" was for nanmax ? The MATLAB nanmax() routine does not check the number of input arguments, and has only the header and one line of code with the rest being comments.

[Jaeyoung Shin]

I found out that some files in the certain toolbox (NOT MATLAB default) crashed with this script. When I removed the toolbox from the MATLAB path, the problem disappeared :) Thanks for your help :)