I did a fast search internally and found the case you mention. It looks like support asked if you know a case number from when had the issue before and for some logs on the current issue and then we didn't hear back so it was closed out. You can always reply to a case for 30 days to reopen it.
Looking more at the issue the only thing I can find that for anything similar in past cases is the following.
Prior to running the live plan on Sybase, we do the following:
set showplan, noexec on;
set quoted_identifier off;
The "set quoted_identifier off" is causing the error due to the quotes around the table names.
The error isn't the same as what you list and was caused by quotes around table names. I would suggest you send the logs and perhaps re open the case so we can investigate more.