
If the issue is still reproducible with the Restore option, please open a ticket in the Public Issue Tracker (PIT) [2]. Please note that PIT is reserved for reporting product & service issues as well as feature requests. If you require further technical support it is recommended to post your detailed questions with the screenshots on [3] Stack Exchange using the supported tags [4].
[1] https://cloud.google.com/dialogflow/es/docs/agents-settings#export.
[2] https://cloud.google.com/support/docs/issue-trackers