This solved the issue of being able to declare the classes in eachother, but I'm now left with an "Incomplete type error" when trying to access a passed reference to the object.

Unravel the mystery behind c++ incomplete type is not allowed. This guide offers clear explanations and practical solutions for your coding challenges.

Jun 8, 2021 · c++ incomplete type is not allowed error comes when proper header file is not included or definition of class/struct not available.

Aug 3, 2021 · To create an incomplete structure type, declare a structure type without specifying its members. In this example, the ps pointer points to an incomplete structure type called student.

Learn what an incomplete type is and why it's not allowed in C++. Get a comprehensive guide on how to fix this error and get your code compiling again.

Oct 30, 2023 · This error from C++ Insights indicates code is trying to define an incomplete type ClassName that needs to be defined first. Learn to recognize the core patterns present in these …

Jul 23, 2025 · C++ containers do not allow incomplete types because they need to manage memory, access elements, and use type traits, all of which require knowing the complete type.

Jan 9, 2025 · The declared type of an array object might be an array of incomplete class type and therefore incomplete; if the class type is completed later on in the translation unit, the array type …

May 12, 2009 · I've tried both of these methods with pointers to the classes, and then I just get the same error but that a pointer to an incomplete class is not allowed. Nothing seems to fix this.

Nov 27, 2024 · Incomplete type errors are always an issue with missing includes somewhere. You’ll have to share the code that is generating the error. Follow 3dRaven’s advice and make sure you’ve …