Hello,
Probably you used the built-in header that was removed from version and did not create the header using header builder.
Go to Theme Options > Header builder > edit content of the header depends on your needs. These videos will help you –
https://www.youtube.com/playlist?list=PLMqMSqDgPNmDu3kYqh-SAsfUqutW3ohlG
Let us know if you need any further assistance.