Unique violation: 7 ERROR: duplicate key value violates unique constraint "users_pkey" DETAIL: Key (id)=(1) already exists.
This error says that the table primary key already exists, so when you try to insert new data but the id already exists, it should unique.
When you import a database from another database that time this error may see in your application. In this case, we need to specify to the table max the last id, so the next record inserts with the latest id.
SELECT setval(pg_get_serial_sequence('table_name', 'table_id'), max(table_id)) FROM table_name;
table_name: YOUR TABLE NAME.
table_id : YOUR TABLE PRIMARY ID.

Just put your query in the table and execute the query.
We always thanks to you for reading our blogs.

Dharmesh Chauhan
(Swapinfoway Founder)Hello Sir, We are brothers origin from Gujarat India, Fullstack developers working together since 2016. We have lots of skills in web development in different technologies here I mention PHP, Laravel, Javascript, Vuejs, Ajax, API, Payment Gateway Integration, Database, HTML5, CSS3, and Server Administration. So you need our service Please Contact Us

Haresh Chauhan
(Co-Founder)We Are Also Recommending You :
- Arr::add() | Laravel Helper Function
- MongoDB Database Connection In Laravel
- Web Push Notification Send Using Firebase Cloud Messaging In Laravel Tutorial Include Demo Example
- Casting Attribute in Laravel Eloquent Models
- average() Method | Laravel Collection Example
- How to setup Google's Two Factor Authentication in Laravel
- Laravel Delete Image From Storage Folder
- How To Generate A Sitemap In Laravel 6/7/8/9
- Error : Using $this when not in object context update column laravel
- Laravel 9 Ajax Image Upload With Preview Tutorial