Error Check logs

[samurai1i]

trafficstars

[21:32:43] [Thread-112/INFO]: [CHAT] §cDungeon Rooms: An error has occured. See logs for more details. [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at sun.security.ssl.Alerts.getSSLException(Alerts.java:192) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1949) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:302) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:296) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1509) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:216) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at sun.security.ssl.Handshaker.processLoop(Handshaker.java:979) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at sun.security.ssl.Handshaker.process_record(Handshaker.java:914) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1062) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1375) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1403) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1387) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:559) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:185) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1513) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at sun.net.www.protocol.http.HttpURLConnection.access$200(HttpURLConnection.java:90) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at sun.net.www.protocol.http.HttpURLConnection$9.run(HttpURLConnection.java:1433) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at sun.net.www.protocol.http.HttpURLConnection$9.run(HttpURLConnection.java:1431) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at java.security.AccessController.doPrivileged(Native Method) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at java.security.AccessController.doPrivilegedWithCombiner(AccessController.java:782) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1430) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:254) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at java.net.URL.openStream(URL.java:1045) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at io.github.quantizr.dungeonrooms.DungeonRooms.lambda$onServerConnect$8(DungeonRooms.java:236) [21:32:43] [Thread-112/INFO]: [io.github.quantizr.dungeonrooms.DungeonRooms:lambda$onServerConnect$8:247]: at java.lang.Thread.run(Thread.java:745) [21:32:43] [Thread-112/INFO]: [java.lang.Throwable:printStackTrace:634]: Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

This is showing up every time I launch. I belivee it is a problem with downloading or accessing the certification. Any possible fixes / download processes? Thanks. PS all of my other mods accessing Api's are working just fine.