Table of Contents
Common Runtime Errors in Unity
1. Missing Texture Properties
A frequent issue in Unity is the error message stating that a material doesn’t have a texture property like _MainTex. This can occur when using shaders that expect a texture property which is missing or improperly configured. Ensure all materials have the necessary texture properties expected by their shaders.
2. Script Compilation Failures
Scripts with compilation errors will prevent your game from starting. Unity requires all scripts to compile successfully. Check the Console for errors and double-click any error message to navigate to the offending code.
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3. Improper Project Configuration for Platforms
For specific platforms such as HoloLens, ensure your project settings are configured correctly. This includes setting the correct target platform and ensuring all necessary SDKs and modules are installed.
4. Scene Loading Errors
If a scene designated to load at startup is missing or incorrectly named, your game won’t start. Verify that the scene is included in the Build Settings and correctly spelled.
5. Player Loop Configuration
Issues within the player loop can halt the game startup process. Ensure that your game’s update and fixed update loops are correctly handled, and that there are no infinite loops or blocking calls in these methods.
6. Asset Importation Errors
Improperly imported assets, especially large textures without proper scaling or compression, can lead to runtime errors. Make sure assets are optimized and correctly set to avoid memory overflow or loading issues.