> We are getting the following error during a SELECT-query and gfix with
> gback do not fix it.
>
> org.firebirdsql.jdbc.FBSQLException: GDS Exception. 335544343. invalid
> request BLR at offset 226
> there is no index IDX_p39A2dTscKu7xw43c5lrjQ== for table COPY
>
> The customer is really frustrated, what should we do?

Are you forcing the optimizer to use an index via an explicit PLAN, but
the index doesn't exist?

Regards,
Thomas