"sync is currently experiencing problems, it will be back shortly"

Hello,
Lately my contacts disappear couple of times a day. The only way to get them back is to reboot the device. I have a Samsung 5S mini (SM-G800F). I was looking in the acounts settings, and I usually see the message in the topic in the bottom, and have a failure sign next to the contacts sync. I've looked this problem up online for a long time, and have tried lots of stuff. I've cleared cache and data for practically alsmot everything related to google services and contacts. I've also...

"sync is currently experiencing problems, it will be back shortly"

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