Problem with db | WordPress.org

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I have errors in my logs like below:

[Duplicate column name ‘is_pinned’]ALTER TABLE wp_bm_message_recipients ADD is_pinned TINYINT(1) NOT NULL DEFAULT ‘0’ AFTER is_muted;

[Duplicate key name ‘is_pinned’]ALTER TABLE wp_bm_message_recipients ADD INDEX is_pinned (is_pinned);

[Can’t DROP INDEX last_delivered; check that it exists]ALTER TABLE fso_bm_message_recipients DROP INDEX last_delivered;

[Can’t DROP INDEX last_read; check that it exists]ALTER TABLE fso_bm_message_recipients DROP INDEX last_read;

I delete column ‘is_pinned’ and key ‘is_pinned’.
Add INDEX last_delivered
Add INDEX last_read

After my actions, the error did not appear only on the first refresh of the page.
The second time I visit the page, I get the same error again

Could you help me with this error?