Attaching IDML on new forum thread has an error?

[#1]

Attention rquired.....

Recently I was trying to attach idml to my post. But after clicking post button I see this Error message.

Thanks

Sunil

[#2]

Attention rquired.....

Recently I was trying to attach idml to my post. But after clicking post button I see this Error message.

Thanks

Sunil