You need the official WhatsApp to use this account

Hello,

My WhatsApp is not opening from a week and giving error that

"You need the official WhatsApp to use this account".
I am using official WhatsApp downloaded from play store.
I cantacted WhatsApp help center at Saturday but they said to download again
I did the same but it did not worked.
I reinstalled my WhatsApp and installed again but it did not worked.
I also tried to login from other android phone but error was same that use official WhatsApp.
I reset my phone and installed WhatsApp again from play store but not worked.
I contacted alot of time to WhatsApp center but they are just saying download it from play store.
Please someone help me.
Android / Chrome 115.0.0.0