MEX level2 S-function "sfunc_basic" must be called with at least 4 right hand arguments

Can any one please explain me what does this error mean. I tried to google it but could not find anything relevant. I get this while running the Simulink(mexing the file does not throw any error).

[Sebastian Dietz]

I got the same error, when I try to generate a .tlc-file for my C S-Function. I need the .tlc, because I use a selfwritten S-Function for TCP-communication on a RasPi and when I try to deploy it to the Hardware I got an error, that my SFcn has to be inlined.

Any solutions?

Answer 1

[Kaustubha Govind]

I suspect you are mistakenly using the S-function block for a Level-2 S-function, or a Level-2 MATLAB S-Function block for a Level-1 S-function. Try switching to the other block and see if the error goes away.

[Priyanka]

Thank you for the reply. I noticed that, "reader-2", this kind of naming does not work.