New site is asking for backup even it is first time

If I try to run for first time bench new-site fdpconnect.com then it throws following error

  File "/Users/macbook/code/Frappe/frappe-fdp/apps/frappe/frappe/commands/site.py", line 75, in new_site
    _new_site(
  File "/Users/macbook/code/Frappe/frappe-fdp/apps/frappe/frappe/installer.py", line 89, in _new_site
    install_db(
  File "/Users/macbook/code/Frappe/frappe-fdp/apps/frappe/frappe/installer.py", line 171, in install_db
    bootstrap_database(
  File "/Users/macbook/code/Frappe/frappe-fdp/apps/frappe/frappe/database/__init__.py", line 36, in bootstrap_database
    return frappe.database.mariadb.setup_db.bootstrap_database(verbose, source_sql)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/macbook/code/Frappe/frappe-fdp/apps/frappe/frappe/database/mariadb/setup_db.py", line 78, in bootstrap_database
    import_db_from_sql(source_sql, verbose)
  File "/Users/macbook/code/Frappe/frappe-fdp/apps/frappe/frappe/database/mariadb/setup_db.py", line 101, in import_db_from_sql
    DbManager(frappe.local.db).restore_database(
  File "/Users/macbook/code/Frappe/frappe-fdp/apps/frappe/frappe/database/db_manager.py", line 80, in restore_database
    frappe.throw(
  File "/Users/macbook/code/Frappe/frappe-fdp/apps/frappe/frappe/__init__.py", line 675, in throw
    msgprint(
  File "/Users/macbook/code/Frappe/frappe-fdp/apps/frappe/frappe/__init__.py", line 640, in msgprint
    _raise_exception()
  File "/Users/macbook/code/Frappe/frappe-fdp/apps/frappe/frappe/__init__.py", line 591, in _raise_exception
    raise exc
frappe.exceptions.ExecutableNotFound: mariadb not found in PATH! This is required to restore the database.