Welcome to the community, @akot! You can always download your form as an XLSForm and then check row 225 in the survey tab. Based on the error message, it appears that the issue is caused by duplicated choices. The community post shared earlier should help you resolve this issue:
Besides, you could always validate your XLSForm through this online validator? The online validator should help you identify any syntax issues that are affecting the form deployment.
This post discussed previously should help you use the online validator.
