Unable to redeploy XLS Form due to error

Unexpected KoBoCAT error 400: b’{“detail”:“ODK Validate Errors:\n>> XForm is invalid. See above for the errors.\n: Cycle detected in form's relevant and calculation logic!\nThe following nodes are likely involved in the loop:\n${croptype}\n\nThe following files failed validation:\n${tmpi1jf86l5}\n\nResult: Invalid”}’

@vibrantfield, have you validated your XLSForm through the online validator? The online validators should help you identify syntax issues from your XLSForm.