Shift Escape

 This issue can be noticed some of the character clothes when using Paragon Characters in UE5. To fix the flickering issue, Use Self Collisions checkbox in collisions properties under the Static Mesh option of your character. Open the character model go to   Asset Details > Clothing Properties - Cloth Config - ChaosClothConfig - Collision Properties - Use Self Collisions > False

To begin, open your project in the Unreal Engine 5 or a newer version of the editor.  Next, access the New C++ Class Dialog by selecting Tools and then New C++ Class .  From there, create a new "None" class and press "Create Class."  You might receive a warning message regarding the game module compilation, but you can disregard it and choose "No."  After closing any pop-ups, warnings, or success notifications, exit the Editor.  Proceed to your project's folder, right-click on the .uproject file, and select "Generate Visual Studio project files."  Double-click your project's .sln file to open it in Visual Studio.  In Visual Studio's Solution Explorer, find and choose your project.  Select "Development Editor" in the build configuration drop-down menu.  Right-click on your project and select "Build" to compile it without any errors.  Afterward, set the build configuration drop-down menu to "Development"