WotLK Runeforging Bug

[SpookyDreams]

Hello,

I have recently started playing my dk again and I have encountered a bug where there is no "runeforging" spell in my spellbook under the "general" tab.
However, there is "runeforging" skill under "class skills" in the "skills" tab. It is greyed out just like the "blood", "frost" and "unholy" skills(?).
I have even tried accessing it via /use runeforging, as it works with other skills/professions like jewelcrafting, but nothing happens.
Also, when I go to the death knight trainer and filter the skills as "already known" I can see that I have learned all the runes such as "the rune of the fallen crusader", but I can't use them because I can't use the runeforging skill.
Last time I played this character I had the "runeforging" skill in my spellbook as well as the "death gate" skill (which I still have, I'm just missing the "runeforging" skill). I got them while doing the dk quests.
Oh, I should also mention that I have done the dk quests and then instant-leveled the character to 80 (It was right after the moltdown, so we got instant level ups and refunded coins).

I've searched the internet for possible causes of this issue and I've read that some people on retail have had the same problem after they've transferred their characters to another realm so I came the the conclusion that my issue happened because of the Ragnaros and Deathwing merge into Icecrown (my character was on Ragnaros I think).
Also, last time I played my character was before the merge and I had zero issues then, but now (after the merge) I'm having this problem.

So, what do you guys (and girls) think? What should I do?
It would be nice if someone from the Warmane staff read this, as maybe only they can solve it.

[mosat3]

Just write an ingame ticket and GM should solve your problem.

I had some problem long time ago, when the MoP was released here, and I noticed pretty late, that because of some crash i lost the spell. But after some time GM added the spell back to me

[SpookyDreams]

I guess that is the only thing I can do.
Thank you for your reply.