Problem
The following error message appears when starting CODESYS: The frame window couldn't be created The root element doesn't exist.
Solution
First attempt:
- Restart CODESYS. CODESYS is now started with the default settings.
Second attempt:
- Delete the following files: C:\Users\\AppData\Roaming\CODESYS\CODESYS.opt C:\ProgramData\CODESYS*.opt
- Restart CODESYS. CODESYS is now started with the default settings.
If this still doesn't solve the problem, please contact CODESYS Support: support@codesys.com