inherent stone skin bug?

I failed to invoke my inherent skill, but still cannot invoke it for another 24 hours regardless. Log follows: <50%hp 100%m 29%mv 2095tnl> You concentrate upon the earth and turn your skin to stone. You fail to invoke your inherent ability. <50%hp 81%m 29%mv 2095tnl> ! You cannot use your stone skin ability for another 24 hours. <50%hp 81%m 29%mv 2095tnl> af You are affected by: Commune: 'bless'. Commune: 'bless'.