Error message

• Warning: Cannot modify header information - headers already sent by (output started at /w3/lt.vu.www1036/www/mao/includes/common.inc:2607) in drupal_send_headers() (line 1239 of /w3/lt.vu.www1036/www/mao/includes/bootstrap.inc).
• PDOException: SQLSTATE[HY000]: General error: 1366 Incorrect string value: '\xF0\x9F\x8C\x8B.<...' for column 'description' at row 1: INSERT INTO {aggregator_item} (title, link, author, description, guid, timestamp, fid) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2, :db_insert_placeholder_3, :db_insert_placeholder_4, :db_insert_placeholder_5, :db_insert_placeholder_6); Array ( [:db_insert_placeholder_0] => Pabudęs Etnos ugnikalnis iš kosmoso. [:db_insert_placeholder_1] => https://www.facebook.com/468791661960141/posts/1136847178487916 [:db_insert_placeholder_2] => Molėtų astronomijos observatorija [:db_insert_placeholder_3] => Pabudęs Etnos ugnikalnis iš kosmoso.<br> <br> <img src="https://scontent-dus1-1.xx.fbcdn.net/v/t39.30808-6/495463630_1315246817271048_5229849405126287028_n.jpg?stp=dst-jpg_p720x720_tt6&amp;_nc_cat=111&amp;ccb=1-7&amp;_nc_sid=127cfc&amp;_nc_ohc=wysbMOZwuOoQ7kNvwHs_l7V&amp;_nc_oc=AdmFuG02bm1wlmJscIQzjryddTp14dn99PCgl_YPnXZ0zUzb69w3hNe2i8qNW0y4Vys&amp;_nc_zt=23&amp;_nc_ht=scontent-dus1-1.xx&amp;edm=AJdBtusEAAAA&amp;_nc_gid=B4TBC5roPZOYPj6Rgrz3Sg&amp;oh=00_AfMf6JtZ3rvhfrStnlcOgocAMTzbdOkp2Whj-ypwMK9UwA&amp;oe=685D73D7" /><br> Štai kaip Copernicus Sentinel-2C kosminis palydovas įamžino išsiveržusį Etnos ugnikalnį Italijoje. Kairėje pusėje matome natūralių spalvų vaizdą su pelenais ir dūmais, o dešinėje - karščiausias vietas pagal infraraudonųjų spindulių duomenis 🌋.<br> <br> Autorystė: ES, Copernicus Sentinel-2C.<br/><br/><span style="font-size:12px; color: gray;">(Feed generated with <a href="https://fetchrss.com/feedLink?w=58a2fcbc8a93f81d4e8b4567" target="_blank">FetchRSS</a>)</span> [:db_insert_placeholder_4] => 158605995882_1136847178487916 [:db_insert_placeholder_5] => 1749244090 [:db_insert_placeholder_6] => 1 ) in aggregator_save_item() (line 156 of /w3/lt.vu.www1036/www/mao/modules/aggregator/aggregator.processor.inc).