Integrity Error at /some-path/ . duplicate key value violated unique constraint [closed]

Multi tool use
Integrity Error at /some-path/ . duplicate key value violated unique constraint [closed]
My database is presently Empty
But When I try to create some object I get following error.
I think the problem is with sequence . I searched many solutions on Internet But none of the answer works.
The table and sequence is :
When I do select all query on database. 0 rows are returned.
My Sequence return following output.
Can Anyone help please . This problem came after is flushed the database and tried to start new db with migrations.
This problem also comes in Another model as follows.
**Iknow Its not a good r in scenario.
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Can you please show your Admin and model classes for
FixSessionSetting
model? And object manager for this model (if you are using custom one).– Ivan Kalita
Jul 2 at 20:06
FixSessionSetting
Could you expand on your database being 'empty'. Does that mean there are no tables or no rows in any of the tables?
– Cole
Jul 2 at 19:39