> Probably It's not IBO question but FireBird 2.
> You need check your triggers.
> OLD Context Variables Now Read-only.
> AFTER UPDATE/INSERT Triggers NEW. variables also Read-Only.
>
> Ramil
>

hugs and kisses Ramil - thanks - that was it!
silly me
Alan

> >
> >
> >
> >
> >
> > My conversion and testing of 4.6 and FB2 is going OK but I have a really
> > hard to find exception. The message is
> >
> > Project PCC.exe raised exception class EIB_ISCError with
> message 'ISC ERROR
> > CODE:335544359
> >
> > ISC ERROR MESSAGE:
> > attempted update of read-only column
> > '. Process stopped. Use Step or Run to continue.
> >
> > If I switch to 1.5.3 on the same database, I get no exception
> and I can get
> > an SQL monitor dump of the traffic during the form creation. It shows
> > nothing untoward e.g. missing aliasing or calculated fields in
> the update
> > statement.
> > The message is curious with regard to '.
> > i.e. it's not telling me anything about the fieldname.
> > Stepping thru the debugger is painful. The closest I have got
> to it is that
> > it occurs in the SysExecPrepare procedure IB_Components but
> I'm damned if I
> > can catch the statement which excepts.
> >
> > Don't suppose anyone else is going thru something similar?
> > Alan
> >
>
>
>
>
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