"could not be compiled. Try rebuilding from source manually."

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I need help fixing this error, I already followed the steps that was posted in another forum that was:

  1. Closed Unreal Engine
  2. Removed Binaries, Build, Intermediate, Saved
  3. Deleted .sln file
  4. Reopen the .uproject

This project was created around 2 years ago using Unreal Engine 5.0, I’m currently on Unreal Engine 5.3
The project ONLY used Blueprint and wasn’t created using C++