This issue is not reproducible. For the ‘Location’ field to auto-populate, the parameter 'Name of the field to store report location' needs to be populated. The layer needs to have a string field and the field name (case sensitive) needs to be specified in this parameter for the functionality to work. Refer to: https://solutions.arcgis.com/state-government/help/crowdsource-reporter/get-started/configure-app/#form/#10 for more information.