PRODUCT_SAVE_UNKNOWN_ERROR when plugin HikaAuction - HikaShop Integration plugin

{ "__default": { "session": { "counter": 180, "timer": { "start": 1501404743, "last": 1501407694, "now": 1501407707 }, "token": "s37VeAjPGcAl3ijfNuBbjvEp8BAtVHrU" }, "registry": { "com_installer": { "message": "", "extension_message": "", "redirect_url": null }, "com_hikashop": { "zone_id": "1375", "user_id": 3, "field": { "filter_table": "" }, "plugin_type": "shipping", "plugins": { "limitstart": 0 }, "product": { "filter_order": "a.ordering", "filter_order_Dir": "asc", "limitstart": 0, "search": "", "list_limit": 20, "filter_type": 1, "filter_id": "2", "filter_product_type": "main", "filter_published": 0 } }, "com_plugins": { "plugins": { "filter": { "search": "auction", "enabled": "", "folder": "", "access": "" }, "list": { "fullordering": "folder ASC", "limit": "20", "sortTable": "folder", "directionTable": "ASC" }, "limitstart": 0 } }, "com_menus": { "items": { "menutype": "hoofdmenu", "client_id": 0, "list": { "direction": "asc", "limit": "20", "ordering": "a.lft", "start": 0 } }, "edit": { "item": { "type": null, "link": null, "data": null, "id": [] } } }, "com_config": { "config": { "global": { "data": { "cache_handler": "file", "cache_path": "", "memcache_persist": 1, "memcache_compress": 0, "memcache_server_host": "localhost", "memcache_server_port": 11211, "memcached_persist": 1, "memcached_compress": 0, "memcached_server_host": "localhost", "memcached_server_port": 11211, "redis_persist": 1, "redis_server_host": "localhost", "redis_server_port": 6379, "redis_server_auth": "", "redis_server_db": 1, "cachetime": 15, "cache_platformprefix": 0, "caching": 2, "dbtype": "mysqli", "host": "localhost", "user": "neems_data", "db": "neems_data", "dbprefix": "jos_", "debug": 1, "debug_lang": 0, "ftp_enable": 0, "ftp_host": "127.0.0.1", "ftp_port": 21, "ftp_user": "", "ftp_pass": "", "ftp_root": "", "proxy_enable": 0, "proxy_host": "localhost", "proxy_port": "", "proxy_user": "", "proxy_pass": "", "offset": "Europe\/Amsterdam", "mailonline": 1, "massmailoff": 0, "mailfrom": "hanwijman@hwapplicaties.nl", "fromname": "Ontwikkelen ms-nee", "replyto": "", "replytoname": "", "mailer": "mail", "sendmail": "\/usr\/sbin\/sendmail", "smtphost": "localhost", "smtpport": 25, "smtpsecure": "none", "smtpauth": 0, "smtpuser": "", "smtppass": "", "MetaDesc": "", "MetaKeys": "", "robots": "", "MetaRights": "", "MetaAuthor": 0, "MetaVersion": 0, "sef": 1, "sef_rewrite": 1, "sef_suffix": 0, "unicodeslugs": 0, "sitename_pagetitles": 0, "tmp_path": "\/home\/neems\/domains\/ms-nee.eu\/public_html\/tmp", "gzip": 1, "error_reporting": "default", "force_ssl": 0, "session_handler": "database", "session_memcache_server_host": "localhost", "session_memcache_server_port": 11211, "session_memcached_server_host": "localhost", "session_memcached_server_port": 11211, "lifetime": 35, "shared_session": 0, "sitename": "Ontwikkelen ms-nee", "offline": 0, "display_offline_message": 1, "offline_message": "This site is down for maintenance. Please check back again soon.", "offline_image": "", "frontediting": 1, "editor": "jce", "captcha": "recaptcha", "access": 1, "list_limit": 20, "feed_limit": 10, "feed_email": "none", "log_path": "\/home\/neems\/domains\/ms-nee.eu\/public_html\/administrator\/logs", "helpurl": "https:\/\/help.joomla.org\/proxy?keyref=Help{major}{minor}:{keyref}&lang={langcode}", "cookie_domain": "", "cookie_path": "", "filters": { "1": { "filter_type": "NH", "filter_tags": "", "filter_attributes": "" }, "9": { "filter_type": "BL", "filter_tags": "", "filter_attributes": "" }, "6": { "filter_type": "BL", "filter_tags": "", "filter_attributes": "" }, "7": { "filter_type": "NONE", "filter_tags": "", "filter_attributes": "" }, "2": { "filter_type": "NH", "filter_tags": "", "filter_attributes": "" }, "3": { "filter_type": "BL", "filter_tags": "", "filter_attributes": "" }, "4": { "filter_type": "BL", "filter_tags": "", "filter_attributes": "" }, "5": { "filter_type": "BL", "filter_tags": "", "filter_attributes": "" }, "8": { "filter_type": "NONE", "filter_tags": "", "filter_attributes": "" } }, "asset_id": 1 } } } } }, "user": { "id": "519", "name": "xxxxxx", "username": "xxxxxx", "email": "hanwijman@xxxx", "password": "xxxxx", "password_clear": "", "block": "0", "sendEmail": "1", "registerDate": "2017-05-13 06:03:54", "lastvisitDate": "2017-07-30 08:52:27", "activation": "", "params": "{}", "groups": { "8": "8" }, "guest": 0, "lastResetTime": "2017-05-13 06:03:54", "resetCount": "0", "requireReset": "0", "otpKey": "", "otep": "" }, "application": { "queue": null } } }