S2_Database_Exception: Error in query #1366 (Incorrect string value: '\xD0' for column `s2mnenie_mnenie`.`mnenie_opinions_opinion_t`.`TagsString` at row 1) // trace

S2_Database_Exception: Error in query #1366 (Incorrect string value: '\xD0' for column `s2mnenie_mnenie`.`mnenie_opinions_opinion_t`.`TagsString` at row 1) in {PATH_SYS}/_core/Main.php:8
Stack trace:
#0 {PATH_SYS}/_core/Main.php(8): S2_Database_Driver_Mysql->query('UPDATE `mnenie_...')
#1 {PATH_SYS}/_core/Main.php(8): S2_Database_Driver->update('mnenie_opinions...', Array, 39786)
#2 {PATH_SYS}/_core/Main.php(8): S2_Nodes_Module_Common->updateNode(Array)
#3 {PATH_PRV}/_mods/opinions/opinion/show.php(159): s2UpdateNode(Array)
#4 {PATH_SYS}/_core/Main.php(8): include('/var/www/mnenie...')
#5 {PATH_SYS}/_core/Main.php(8): S2_Method_Processor->display()
#6 {PATH_SYS}/_core/main.d.php(8): S2_Method->show()
#7 {PATH_PUB}/_index.php(30): require('/var/www/s2.mne...')
#8 {main}

S2 Framework/2.5.6, Apache/2.4.38 (Debian) Aborting...