Where is my journal entry icon gone...the + sign?

Hello there, @olaleke.
 

QuickBooks Online makes an update about this feature. These steps below have the information needed to change the view.
 

1. Go to Gear, then select Account and Settings.
2. Click the Advanced option on the left.
3. Click on the Views section to edit, then change the drop-down to Accountant.
    

This article can give you additional information about recording and make a journal entry in QuickBooks Online: Create a journal entry.
 

Get back to us at any time if you need anything else moving forward.