Can't get online on old G3

I have an old Mac G3 that I still use on occasion. I still

have AOL 5.0., and sometimes forward things from the G3

to my iMac thru an old modem.

Last week, this all went as usual. Today, I get this:

Version not supported. Sign on with another version then go to

Keyword: Upgrade. Beta testers use Keyword: Beta

Since I don't have another old version AOL CD handy, is there

anything I can do? I ran Norton Disk Dr. Didn't solve the issue.

If I found a different version AOL CD, would that work, do you think?

Thanks !

Carl