Hi Kyle, I recently had a similar issue and the following is a potential solution. In survey123, created using the online version versus the desktop application, if you delete a question in your survey, and then recreate the same question using similar naming conventions, this error can occur when trying to publish or republish your survey. Basically what you are doing is, in the hosted feature layer, making a new field in your attribute table. And then when you delete and recreate that same question you are creating a duplicate field in the attribute table of the hosted feature layer. In order to remedy this, you need to go into the hosted feature layer in Arcgis online and delete one of the fields from the attribute table via the data tab. However, you can lose data that has already been collected if you delete the field in the table. I would recommend making a copy of the data that has already been collected by downloading a .shp or file GDB from the hosted feature layer before deleting any field from the attribute table. if you need any assistance or clarification feel free to reach out. Sean McLaughlin County of McKean GIS spmclaughlin@mckeancountypa.org
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