I was trying to build a piece of code and launch the generated linux executable with Xcode. I selected build and run. After code is build I saw that Xcode was showing "Running executable" and after 5seconds it showed finish with "Program ended with exit code: 254" in the output. What is exit code 254 in xcode? I couldn't find the answer in google.

Getting the following error when trying to build code with MacOS 12.0 SDK. Any idea why I'm getting this error. id Key; //Assume key has some data IMP pEncoder; pEncoder = [NSCoder_Pointer_Obj methodForSelector: @selector(encodeObject)]; (*pEncoder)(NSCoder_Pointer_Obj, @selector(encodeObject: ), key); //Getting error in the above line //Error: "Too many arguments to function call, expected 0, have 3 This code used to compile well with MacOS 10.14 SDK but compiling with 11 or 12 SDK