Bukkit

i was bout to use the plugin then this error came up:
[12:59:53] [Thread-12/ERROR]: [QuestBoard] If you have not recently modified your configuration and this is the first time you are seeing this message, the site may be experiencing temporary downtime.
[12:59:53] [Thread-12/ERROR]: [QuestBoard] null
javax.net.ssl.SSLHandshakeException: java.security.cert.CertificateException: No name matching api.curseforge.com found
    at sun.security.ssl.Alerts.getSSLException(Alerts.java:192) ~[?:1.7.0_60]
    at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1884) ~[?:1.7.0_60]
    at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:276) ~[?:1.7.0_60]
    at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:270) ~[?:1.7.0_60]
    at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1341) ~[?:1.7.0_60]
    at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:153) ~[?:1.7.0_60]
    at sun.security.ssl.Handshaker.processLoop(Handshaker.java:868) ~[?:1.7.0_60]
    at sun.security.ssl.Handshaker.process_record(Handshaker.java:804) ~[?:1.7.0_60]
    at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1016) ~[?:1.7.0_60]
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1312) ~[?:1.7.0_60]
    at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1339) ~[?:1.7.0_60]
    at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1323) ~[?:1.7.0_60]
    at sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:563) ~[?:1.7.0_60]
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:185) ~[?:1.7.0_60]
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1300) ~[?:1.7.0_60]
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:254) ~[?:1.7.0_60]
    at qb.extras.Updater.read(Updater.java:552) [QuestBoard.jar:?]
    at qb.extras.Updater.access$1(Updater.java:540) [QuestBoard.jar:?]
    at qb.extras.Updater$UpdateRunnable.run(Updater.java:590) [QuestBoard.jar:?]
    at java.lang.Thread.run(Thread.java:745) [?:1.7.0_60]
Caused by: java.security.cert.CertificateException: No name matching api.curseforge.com found
    at sun.security.util.HostnameChecker.matchDNS(HostnameChecker.java:208) ~[?:1.7.0_60]
    at sun.security.util.HostnameChecker.match(HostnameChecker.java:93) ~[?:1.7.0_60]
    at sun.security.ssl.X509TrustManagerImpl.checkIdentity(X509TrustManagerImpl.java:347) ~[?:1.7.0_60]
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:203) ~[?:1.7.0_60]
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:126) ~[?:1.7.0_60]
    at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1323) ~[?:1.7.0_60]
    ... 15 more