Thanks for letting us know the error you're experiencing when managing vendor tasks on your expenses, evaca3. Let me help provide insight to make sure you'll able to keep track of your financials.
Beforehand, may I know what specific error you've received when entering vendor on your expenses? Any additional details would be much appreciated.
If you're encountering a duplicate or the name supplied already exists issue, you can modify and update your vendor information and make sure to add a unique initial to differentiate both data.
However, if you're having a different error, you can consider performing troubleshooting steps to rule out the possibility of a webpage issue.
Google Chrome: Ctrl + Shift + N.
Mozilla Firefox and Microsoft Edge: Ctrl + Shift + P.
Safari: Command + Shift + N.
You may also consider opening your account in a different browser. Once it works from there, go back to the regular display program and clear its cache.
I'll be leaving this thread available to make sure any additional queries about vendor transactions are covered. Feel free to reply below. Keep safe and have a good one!