FIXED: Re: java.lang.UnsupportedOperationException: = (=) -> r687578

[Adam Heath]

Scott Gray wrote:
It to a bit of playing around to get it to show up, so I don't have
any exact steps but something along the following lines:
Go to Accounting -> General Ledger -> [Company] Setup -> GL Account defaults


Accounting -> Invoices -> Find

I did a search for EntityOperator.IN, and that was the simplest way to 
replicate this problem.

It's fixed in 687936.