Yep, you are absolutely right, my tables had Redundant/Compact row type, generating and executing these queries helped:
SELECT CONCAT(
'ALTER TABLE `', TABLE_SCHEMA, '`.`', TABLE_NAME, '` ',
'ROW_FORMAT=DYNAMIC;'
) AS _alter
FROM INFORMATION_SCHEMA.TABLES
WHERE ENGINE='InnoDB' AND ROW_FORMAT <> 'DYNAMIC' AND TABLE_NAME NOT IN('SYS_DATAFILES', 'SYS_FOREIGN', 'SYS_FOREIGN_COLS', 'SYS_TABLESPACES', 'SYS_VIRTUAL', 'SYS_ZIP_DICT', 'SYS_ZIP_DICT_COLS');
Thank you @Marc Stridgen and @teraßyte !