>> Vlad, do you have access to a windows machine where you could install
>> sinatica monitor? I've been trying to reproduce this error with a
>> simple test-case for a week now and nothing. OTOH the error is very
>> easy to reproduce using sinatica monitor.
>> 0) Use Firebird 2.1.3 or 2.5 beta 2
>> 1) use isql to attach to a database using NONE charset.
>> 2) run any statement and do not commit.
>> 3) register database with sinatica monitor and start monitoring.
>>
>> Please let me know if I can help in any way.
>
> I'll try with trial download and report what i will find.

I confirm "Invalid Blob ID" error for FB 2.1.3 while current FB 2.5 RC1 is OK.
After applying patch from CORE-2602 to the FB 2.1.3 it is also OK.

Looking in depth i suspect we still have the issue but it is hidden
because of the patch. More details later.

Regards,
Vlad