[Open] - Player Name Format not accepted

Product: The Sims Mobile
Platform:Android Phone
List the specific devices you play with (e.g. iPhone 6s Plus, Samsung Galaxy S7) Oppo CPH1909
OS Version 8.10
How often does the bug occur? Every time (100%)
Steps: How can we find the bug ourselves? Once you reach level 6 i guess
What do you expect to see? For this but to be fixed, Please
Connection Type Wifi
Please select your region Asia
Country Philippines

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I tried everything ya'll suggested, It won't work!