Updated my Unity 5.1 project to 5.2.1f and unity crashes on startup

Hi, could you help me solve the problem?

  1. Downloaded Unity 5.2.1f and updated my Unity 5.1 to Unity 5.2.1f (no problem)

  2. Restarted my PC, launched Unity and loaded my old unity 5.1 project. Unity started to convert the project and it was successfull, somewhat(there were some minor errors). I’ve loaded some scenes and they seemed to run fine. Closed Unity(without an error).

  3. Now, when I launch Unity and try to open this project, the editor screen appears for nano second then it just crashes without giving any error dialog. I can still create new projects and save/load them fine.

4.Looking at Editor.log, there are bunch of errors related to timestamp.
like “AssetDatabase consistency checks…Timestamps (1555) and assets (1547) maps out of sync.”

Deleteing cache(Library folder) and restarting Unity seemed to have fixed it…for now

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