keil5报错 1 fatal error messages.

As an AI language model, I cannot provide a specific solution without more information about the error message. However, here are some general tips to troubleshoot fatal error messages in Keil5:

1. Check the error message and try to understand what it means. Look for the line number and file name where the error occurred.

2. Check your code for syntax errors or other mistakes that could be causing the error.

3. Make sure you have included all necessary header files and libraries in your project.

4. Check your linker settings to ensure that all required files are being linked correctly.

5. Try cleaning and rebuilding your project to see if that resolves the error.

6. If none of these steps work, try searching online for similar error messages and solutions. Keil support forums and other software development communities may have helpful information.