Ignored property 'app.site-parser[3].image-url-attribute': unknown or unsupported

[php-coder]

Found on prod:

2017-12-09 05:01:58.087 WARN 1235 --- [main] ru.mystamps.web.config.EventsConfig : Ignored property 'app.site-parser[1].image-url-attribute': unknown or unsupported