1. What is the problem? Be very detailed.
Answer; all saved and finalized form disappeared suddenly
2. What app or server are you using and on what device and operating system? Include version numbers.
Ans;- ODK COLLECT v1.23.3 on Samsung Galaxy Tab A6
3. What you have you tried to fix the problem?
4. What steps can we take to reproduce the problem?
5. Anything else we should know or have? If you have a test form or screenshots or logs, attach below.