How to solve "can't add sticker pack to GBWhatsApp"
Why is the message shown ?
There is a bug in Android system that it doesn't handle the sticker permission well, so you may need to reinstall GBWhatsApp to grant the sticker permission to Android system again.
How to slove the problem ?
1. Download GBWhatsApp
2. Install GBWhatsApp
p.s. Uninstall the existing GBWhatsApp if install failed
3. After reinstall successfully, add sticker pack to GBWhatsApp again
4. Enjoy your stickers !
Is there a virus in GBWhatsApp ?
No, HeyMods team promises there is no any virus / spyware or malicious code in GBWhatsApp by HeyMods Team. The GBWhatsApp apk is scanned and passed by 58 virus scanner with 0 virus detected.
Check this link to find out the scan result : Virustotal Scan Report