Error 1366: Incorrect string value: '\xC8\xCF\xD6\xA4\xCC\xE2...' for column 'level_key' at row 1

GetPageIdByPath.GetCache:: Error 1366: Incorrect string value: '\xC8\xCF\xD6\xA4\xCC\xE2...' for column 'level_key' at row 1