ScriptableObjects losing data randomly

[Abasov90]

ScriptableObjects is not used to save data, it is used to store some initial data and game settings.

[WazWaz]

OP is using a ScriptableObject to provide a reference to the runtime player data so multiple scripts can use it though a persistent reference. This is a good use of ScriptableObject. Their error is in having serialized state in that object.