[INFO/Workaround Fix] War Story Rewards Not Granted

Product: Battlefield V
Platform:PC
Please specify your platform model. PC
AMD or Nvidia Model Number GeForce GTX 1080 Ti
Enter RAM memory size in GB 16GB
Which part of the game is the issue happening in? Single Player War Story
Which part of the mode? The Last Tiger
Please select your region Europe
On which server did this happen? Europe I presume?
When did this happen? (dd.mm.yy hh:mm) Did the warstory first time on 07-12-2018
Summarize your bug So when I started up the warstory and finish it first time I had 5 letters and something like 7 challenges completed. When I tried the second time I found the 6th letter and did the other 2 challenges. However, when I looked inside 'my armory' I didn't get the Epic Last Tiger skin for mutliplayer. Even thouhg I have found all 6 letters it says I have only 5, but it sais in the right bottom that I got 6/6 letters. I tried to play the story again and I checked all the letter places but they are gone. I cannot pick up the letters anymore. So all in all, I am at a loss at the momet. Will this get fixed?
How often does the bug occur? Every time (100%)
Steps: How can we find the bug ourselves? By playing the warstory yourself I guess? I have looked aroud the forum and more people seem to have this same problem.
What happens when the bug occurs? I can't receive the special 'Epic Last Tiger' skin reward.
What should be happening instead? I should receive the 'Epic Last Tiger' skin reward after finish warstory.

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As you can see in the pictures, I have 6/6 letters, but I don't have 6/6 letters in the left side of the screen. The problem is that I cannot pick up 6th letter anymore because it disappears after picking it up for the first time. I tried to replay it anyway 3 times but I just can't get the skin because of only 5/6 letters. Even thouhg I have 6/6....