dissappearing

Summary

In my u.project blueprints and other things that I put in the portion of the game are deleting theirselves

What Type of Bug are you experiencing?

Level Design & Art Tools

Steps to Reproduce

I am not sure this is the engine doing so in 5.7.4

Expected Result

I need an unreal team to fix this

Observed Result

unsure

Affects Versions

5.7

Platform(s)

Windows

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Additional Notes

this engine keeps crashing my u.project and deleting my blueprints from gameplay