WowAce

What steps will reproduce the problem?
1. Automatic Whisper Windows are ENABLED.
2. A friend whisper to me (in game, with its battle tag, it doesn't matter how).

What is the expected output? What do you see instead?
0. Expected output is to see the very first message and the following ones on a new (automatically created) tab.
Instead,
1. The very first message is lost (it is not on the general tab neither) and no new tab for the whisper is opened.
2. The second message creates a new whisper tab and can be read there.
3. The following ones goes into the new created tab, as expected.

What version of the product are you using?
Version 1.5.2

Do you have an error log of what happened?
No

Please provide any additional information below.