Not being able to learn a language

[Gee look who]

Description of Bug Experienced:
My character (an elf feylock 21) started with 10 int. Using my relevel I used some of the stat increases to bump intelligence up to 12, so I could learn undercommon (she was slaved). The problem is that after hours in the hub, with a phrasebook, and using potions to bump int to 17 (to make learning faster), she didn't get a single increase in the language. Not even the orange 0% that we get when we start learning.


Steps to reproduce the Bug:
Make a 10 int character, increase it to 12, get a phrasebook and listen.

Expected Result:
You learn the language.

Actual Result:
You don't learn the language.

Screenshot(s)
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Additional Information/Notes
My character was a feylock, and got captured when exploring the underdark. Playing her became inviable as she had 10 base int and couldn't learn a language. I decided to try again now, since she got a mandatory relevel, and added 2 int instead of cha this time (same build).

Character name: Tinde Went

[Gee look who]

I was just reading the wiki, and there is this text there:

The amount of bonus languages you can learn is equal to your natural intelligence modifier. Free, bonus languages (Common, racial languages, class languages) do not count toward the cap. If you take the Gift of Tongues, then your intelligence modifier counts as +4 higher, allowing you to learn more languages, and faster. Bards get +1 language per 10 levels. Harpers get +1 language per (at) 5 levels. Monks get +1 language per 10 levels.

If you fully learn the limit of languages than what your intelligence score and bonuses can support, language learning will stop.

Natural ability bonus is gained on character creation, by increasing ability on leveling up or from epic feats. It is not counting effects that temporary increase or decrease this number (such as temporary spell effects or bonuses from items).

Soft intelligence helps to learn languages faster. As with understanding languages, Fox's Intelligence is your friend.

If that is true, then my elf will never be able to learn any language, other then taking monk, harper or loremaster levels (or bonus class languages. If that is correct, you can close the topic.