[Open] Disappearing contacts and relationships of Sims

Product: The Sims Mobile
Platform:Apple iPhone
List the specific devices you play with (e.g. iPhone 6s Plus, Samsung Galaxy S7) iPhone 8 Plus
OS Version 11.2.6
Player ID: (Find your Player ID in Sims Mobile: https://help.ea.com/help/the-sims/the-sims-mobile/find-your-player-id-in-the-sims-mobile ) tamratje
How often does the bug occur? Often (50% - 99%)
Steps: How can we find the bug ourselves? So I was busy with a relationship story (secret crush; more than friends). But now when i click on my sim and go to stories, this story is gone. When I go to all stories it shows how far i got with this story, but it isn’t active anymore. And the sim I was doing this story with, is now nowhere to be found. And most of my contacts are also nowhere to be found (which isn’t the main issue). I tried deleting and re-installing the app, which doesn’t work. Also looked at every place i can to see if I can find it again, but that also didn’t work.
What do you expect to see? To see the sim back and to see that the story is active again.
Connection Type Wifi
Please select your region Europe
Country Netherlands
Additional feedback I hope you will understand me and you can help me with this. Thanks in advance.

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Thanks in advance.