If you are unable to generate Eway bill in BUSY then you can check with below points :
1. Make sure you are using the latest version of the softwrae and no other pending updates are there.
2: Pay close attention to the error message you receive. It might contain important information about what is causing the problem. This can help you narrow down the possible solutions.
3: Check internet connection.
4: Make sure you have entered the correct credentials (username, password, etc.) for the E-Way Bill portal within BUSY
5: Ensure that the GSTIN and other relevant details such as Vehical number, Distance, station are entered in BUSY are correct and up-to-date.
6: Verify that the E-Way settings in BUSY are correctly configured. This includes details like API credentials, authentication.
If you are getting issues while printing E-way bill then make sure to check below points:
1. Update the .NET Framework
2. If using Windows server then allow Desktop experience.