At 12:09 PM 26/03/2004 +0100, you wrote:

>Hi,
>It seems i reached the boundaries of Firebird (I use WI-V1.5.0.4290 Firebird
>1.5).
>
>I receive a -901 "cannot sort on a field that does not exist" or a -151
>"attemted update of read-only column" when i execute a SELECT statement that
>uses views with a lot subqueries.
>
>The messages doesnot make sense (for me). For the -901 occurs for SELECT's
>without ORDER clause (so nothing to sort) and the -151 error occurs for just
>a SELECT-satement (so nothing to update).

You have *some* sort of error, but it looks as though you are using the
wrong message file. Client and server should have firebird.msg with the
same build number as the engine - the client should have the same build
number too.

/hb