This means this extension has not been correctly deployed on azwiki, check others too. Bounce back if it is an operational error, not config or deployment:
{
"_index": "logstash-2016.11.09",
"_type": "mediawiki",
"_id": "AVhIcnxQwDvXYimm6l6p",
"_score": null,
"_source": {
"message": "ApiWikiLove::saveInDb\t10.64.0.205\t1146\tTable 'azwiki.wikilove_log' doesn't exist (10.64.0.205)\tINSERT INTO `wikilove_log` (wll_timestamp,wll_sender,wll_sender_editcount,wll_sender_registration,wll_receiver,wll_receiver_editcount,wll_receiver_registration,wll_type,wll_subject,wll_message,wll_email) VALUES ('20161109093650',[sanitized]')",
"@version": 1,
"@timestamp": "2016-11-09T09:36:50.000Z",
"type": "mediawiki",
"host": "mw1224",
"level": "ERROR",
"tags": [
"syslog",
"es",
"es"
],
"channel": "DBQuery",
"normalized_message": "{fname}\t{db_server}\t{errno}\t{error}\t{sql1line}",
"url": "/w/api.php",
"ip": "10.64.0.103",
"http_method": "POST",
"server": "az.wikipedia.org",
"referrer": "https://az.wikipedia.org/w/index.php?title=[sanitized]",
"unique_id": "WCLuMQpAMDsAAJvCKl0AAAFF",
"wiki": "azwiki",
"mwversion": "1.29.0-wmf.1",
"reqId": "WCLuMQpAMDsAAJvCKl0AAAFF",
"db_server": "10.64.0.205",
"db_name": "azwiki",
"db_user": "wikiuser",
"method": "Database::reportQueryError",
"errno": 1146,
"error": "Table 'azwiki.wikilove_log' doesn't exist (10.64.0.205)",
"sql1line": "INSERT INTO `wikilove_log` (wll_timestamp,wll_sender,wll_sender_editcount,wll_sender_registration,wll_receiver,wll_receiver_editcount,wll_receiver_registration,wll_type,wll_subject,wll_message,wll_email) VALUES ('20161109093650',[sanitized])",
"fname": "ApiWikiLove::saveInDb"
},
"fields": {
"@timestamp": [
1478684210000
]
},
"sort": [
1478684210000
]
}