Apart from code compilation errors, which can happen due to missing APIs or simple mistakes in the code, Luna can also fail exporting your project at different stages for several reasons.
These errors will have limited information but will always be logged with the exception thrown and any other meaningful information available. These errors will likely get their own error code or be applied to an already existing code in the future.
Medium / High
Please first have a read of our page on Export failures for troubleshooting steps.
If you find you are still experiencing problems please next have a read of our Common Issues page on Build Errors.