I upgraded from GeoIP (discontinued) to GeoIP2 last night, and this morning I see that the log import from last night failed. The root cause is this error message,

Oct  7 09:50:21 http2 php: Error in Matomo (tracker): Error query: SQLSTATE[22001]: String data, right truncated: 1406 Data too long for column 'location_region' at row 1 In query: INSERT INTO log_visit (idvisitor, config_id, location_ip, idsite, visit_first_action_time, visit_goal_buyer, visit_goal_converted, visit_last_action_time, visitor_days_since_first, visitor_days_since_order, visitor_returning, visitor_count_visits, visit_entry_idaction_name, visit_entry_idaction_url, visit_exit_idaction_name, visit_exit_idaction_url, visit_total_actions, visit_total_interactions, visit_total_searches, referer_keyword, referer_name, referer_type, referer_url, location_browser_lang, config_browser_engine, config_browser_name, config_browser_version, config_device_brand, config_device_model, config_device_type, config_os, config_os_version, visit_total_events, visitor_localtime, visitor_days_since_last, config_resolution, config_cookie, config_director, config_flash, config_gears, config_java, config_pdf, config_quicktime, config_realplayer, config_silverlight, config_windowsmedia, visit_total_time, location_city, location_country, location_latitude, location_longitude, location_region) VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?) Parameters: array (   0 => '�\x0b�k\x03\x1d��',   1 => '��k~�3\x1b�',   2 => 'qąq',   3 => 126,   4 => '2019-10-06 15:31:18',   5 => 0,   6 => 0,   7 => '2019-10-06 15:31:18',   8 => 0,   9 => 0,   10 => 0,   11 => 1,   12 => 5,   13 => 6,   14 => 5,   15 => 6,   16 => 1,   17 => 1,   18 => 0,   19 => NULL,   20 => NULL,   21 => 1,   22 => '',   23 => '',   24 => 'Gecko',   25 => 'FF',   26 => '62.0',   27 => '',   28 => 'generic desktop',   29 => 0,   30 => 'UBT',   31 => '',   32 => 0,   33 => '15:31:18',   34 => 0,   35 => 'unknown',   36 => 0,   37 => 0,   38 => 0,   39 => 0,   40 => 0,   41 => 0,   42 => 0,   43 => 0,   44 => 0,   45 => 0,   46 => 0,   47 => 'Taipei',   48 => 'tw',   49 => '25.048',   50 => '121.532',   51 => 'TPE', )

I believe this is due to the region "TPE" (Taipei?) being inserted into the location_region column which has length 2.