SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'slug' cannot be null Raw SQL : INSERT INTO activity_data (created_at,slug,user_,user_id,type,owner) VALUES (:created_at,:slug,:user_,:user_id,:type,:owner)Unhandled Exception.
SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'slug' cannot be null
You can find the error back in the log.