You can either uninstall the game and upload it
again.
Or go to the red gear in the game, click on it and then on the question
mark. Go to the question mark and there is the help center. Please
find your problem and follow these steps.
If it doesn't help. Please go to this page below Contact us: There you
fill out the form in your language.
Please note that everything is spelled correctly.
Then send it. You will receive an automatic email and you have to
reply to it. Please describe your problem.
Please be patient for the answer.
I hope I could help you.
Otherwise please report back!
Thank you very much and have a nice weekend and good luck