Data organization question. Array of Structures?

[Tonakien]

Seems like I have very similar issue like in this topic:

Problems with Structure

I have an “item” struct. ID, name, stats, etc etc… First problem: My item BPs randomly had their structure reset. I don’t have many items yet, but plan on having hundreds. If all of them were to reset that would be totally devastating. I don’t know what caused it, but I think modifying the structure is what did it. Second problem: Every time I launch my project, all of my structure array pins get unlinked. All of them. Again, this started happening after I modified the struct. What can I do t…

Log output:
[2023.08.26-01.20.28:788][ 60]LogBlueprintUserMessages: [BP_ShipEditoPlayer_C_0] Child Block BP_FrameBlock01_C_0 Connected to Parent Block BP_CoreBlock01
[2023.08.26-01.20.34:148][703]LogBlueprintUserMessages: [BP_ShipEditoPlayer_C_0] Child Block BP_FrameBlock01_C_0 Connected to Parent Block BP_CoreBlock01
[2023.08.26-01.20.39:463][335]LogBlueprintUserMessages: [BP_ShipEditoPlayer_C_0] Child Block None Connected to Parent Block BP_CoreBlock01

I did absolutely nothing. Just sit and press “print log”.
After 10 seconds first variable in data structure became empty
Its always first variable that should contain link on component. And it does… first couple of seconds…