Subject Re: [firebird-support] making FB 2.0 database compatible with FB 1.5 engine
Author Dmitry Yemanov
d_dude_2003 wrote:
> I tried to use FB 2.0 database file on 1.5 engine and it doesnt work,
> saying
> ERROR: invalid request BLR at offset 960
> BLR syntax error: expected TABLE at offset 960, encountered 67

It means that you have used the derived table (aka "select from select")
feature in either your application or in views/procedures/triggers. Such
a database won't work on the v1.5 engine.