I cannot upgrade document file major version in Document and media portlet

[9年前 に Shin Sameshima によって更新されました。]

Hi everyone.
I am using 6.2CE. I cannot upgrade document file to major version (such as 2.0,3.0,4.0....) in Document and media portlet.　
By the by I can upgrade document file to minor version (such as 1.0, 1.1, 1.2....1.98, 1.99, 1.100, 1.101....) .
Please give me advice how to do.

[9年前 に Paige L によって更新されました。]

I know you posted this a couple months ago, so you might have figured it out or moved on, but does this help at all?