Can not make new posts or pages after migration.. Somethings wrong with the db

After the host migration something fucked up the db ..

i am now trying to debug the problem and find the sollution but some extra help would be nice of some one have hade the same problem

Notice: The constructor called for WP_Widget is deprecated since version 4.3.0 ! instead,
__construct ( )
. In /www/webvol8/ka/gpzgf1xxkwtes1r/domsand.org/public_html/wp-includes/functions.php on line 3624
WordPress database error : [Duplicate entry ‘0’ for key ‘PRIMARY’]
INSERT INTO wp_postmeta (post_id, meta_key, meta_value) VALUES (12928, ‘_um_core’, ‘member’)

WordPress database error: [Duplicate entry ‘0’ for key ‘PRIMARY’]
INSERT INTO wp_postmeta (post_id, meta_key, meta_value) VALUES (12928, ‘_um_can_access_wpadmin’, ‘0’)

WordPress database error: [Duplicate entry ‘0’ for key ‘PRIMARY’]
INSERT INTO wp_postmeta (post_id, meta_key, meta_value) VALUES (12928, ‘_um_can_not_see_adminbar’, ‘1’)

WordPress database error: [Duplicate entry ‘0’ for key ‘PRIMARY’]
INSERT INTO wp_postmeta (post_id, meta_key, meta_value) VALUES (12928, ‘_um_can_edit_everyone’, ‘0’)

WordPress database error: [Duplicate entry ‘0’ for key ‘PRIMARY’]
INSERT INTO wp_postmeta (post_id, meta_key, meta_value) VALUES (12928, ‘_um_can_delete_everyone’, ‘0’)

WordPress database error: [Duplicate entry ‘0’ for key ‘PRIMARY’]
INSERT INTO wp_postmeta (post_id, meta_key, meta_value) VALUES (12928, ‘_um_can_edit_profile’, ‘1’)

WordPress database error: [Duplicate entry ‘0’ for key ‘PRIMARY’]
INSERT INTO wp_postmeta (post_id, meta_key, meta_value) VALUES (12928, ‘_um_can_delete_profile’, ‘1’)

WordPress database error: [Duplicate entry ‘0’ for key ‘PRIMARY’]
INSERT INTO wp_postmeta (post_id, meta_key, meta_value) VALUES (12928, ‘_um_can_view_all’, ‘1’)

WordPress database error: [Duplicate entry ‘0’ for key ‘PRIMARY’]
INSERT INTO wp_postmeta (post_id, meta_key, meta_value) VALUES (12928, ‘_um_can_make_private_profile’, ‘0’)

WordPress database error: [Duplicate entry ‘0’ for key ‘PRIMARY’]
INSERT INTO wp_postmeta (post_id, meta_key, meta_value) VALUES (12928, ‘_um_can_access_private_profile’, ‘0’)

WordPress database error: [Duplicate entry ‘0’ for key ‘PRIMARY’]
INSERT INTO wp_postmeta (post_id, meta_key, meta_value) VALUES (12928, ‘_um_default_homepage’, ‘1’)

WordPress database error: [Duplicate entry ‘0’ for key ‘PRIMARY’]
INSERT INTO wp_postmeta (post_id, meta_key, meta_value) VALUES (12928, ‘_um_status’, ‘approved’)

WordPress database error: [Duplicate entry ‘0’ for key ‘PRIMARY’]
INSERT INTO wp_postmeta (post_id, meta_key, meta_value) VALUES (12928, ‘_um_auto_approve_act’, ‘redirect_profile’)

WordPress database error: [Duplicate entry ‘0’ for key ‘PRIMARY’]
INSERT INTO wp_postmeta (post_id, meta_key, meta_value) VALUES (12928, ‘_um_after_login’, ‘redirect_profile’)

WordPress database error: [Duplicate entry ‘0’ for key ‘PRIMARY’]
INSERT INTO wp_postmeta (post_id, meta_key, meta_value) VALUES (12928, ‘_um_after_logout’, ‘redirect_home’)