Error 191 refers to the fact that Whatsapp does not support your current ROM installed on the phone. This happens because of the HOLO interface that your ROM does not have support for. You might need to re-install a STOCK ROM before you can use it.
Send messages, have group chats, and share pictures using the Whatsapp services.
Allows you to communicate and share files with others.
Transfer photos/music/contacts and more files from iPhone to Mac.
Error 191 refers to the fact that Whatsapp does not support your current ROM installed on the phone. This happens because of the HOLO interface that your ROM does not have support for. You might need to re-install a STOCK ROM before you can use it.