Good to hear! You might want to try and recreate the database using the
same steps you used before to see if the problem occurs again.

maverickthunder wrote:

> Mark, thank you for the tip. I catched the problem!
>
> By some reason RDB$INDEX_15 in RDB$RELATION_FIELDS was not active. It is strange because it was a new database but at some point perhaps it got damaged.

--
Mark Rotteveel