Cisco Access Point Air-Lap1242: It wont save config

Hi
I have 2 Air-Lap1242 that wont save their config after reboot.
They are managed by a WLC (4404) and it all seems pretty fine and dandy, but when i reboot them, they dont want to save anything.
I am setting them up as bridges (mesh), and it works until i reboot them, then I have to do it all over again.
Using CLI to type in "write mem" or "copy running-config startup-config" only results in:
"Building configuration... [OK] ->
NVRAM Verification Failed "
Anyone who has any sort of solutions to this? Ive tried to google hard on the subject, but didnt get any wiser.

When the AP joins the controller, I set up the settings for its intended use, in this example a bridge. (one ap as root, one as mesh).
After everything is filled out, i reload the ap's and all is good. Then i fill in the "mesh"-folder that appears after reload and reload the Ap and once again all is saved on the Ap. If I disconnect the power to them, both Ap's return to factory default.

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