In RDB$VIEW_RELATIONS.RDB$CONTEXT_NAME stored full table alias - concatenation of all outer derived table's names and this table name.
As RDB$CONTEXT_NAME declared as CHAR(31) it is very easy to oferflow it.
In this case such VIEW can't be created.

Example :

create view x (id) as
select RDB$RELATION_ID
 from (select * from RDB$DATABASE long_alias_long_alias_1) long_alias_long_alias_2

This operation is not defined for system tables.
unsuccessful metadata update.
Name longer than database column size.