[Ambit-users] [URGENT] Problem connecting to the ambit repository via Maven

[INFO] Scanning for projects...
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[INFO] Building ProjectX
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[INFO] Downloading: http://ambit.uni-plovdiv.bg:8083/nexus/content/repositories/snapshots/nz/ac/waikato/cms/weka/weka-dev/maven-metadata.xml
[WARNING] Could not transfer metadata nz.ac.waikato.cms.weka:weka-dev/maven-metadata.xml from/to ambit-plovdiv-snapshots (http://ambit.uni-plovdiv.bg:8083/nexus/content/repositories/snapshots): Network is unreachable (connect failed)
[INFO] Downloading: http://ambit.uni-plovdiv.bg:8083/nexus/content/repositories/snapshots/tw/edu/ntu/csie/libsvm/maven-metadata.xml
[WARNING] Could not transfer metadata tw.edu.ntu.csie:libsvm/maven-metadata.xml from/to ambit-plovdiv-snapshots (http://ambit.uni-plovdiv.bg:8083/nexus/content/repositories/snapshots): Network is unreachable (connect failed)
[INFO] Downloading: http://ambit.uni-plovdiv.bg:8083/nexus/content/repositories/snapshots/net/idea/modbcum/1.0.5-SNAPSHOT/maven-metadata.xml
[WARNING] Could not transfer metadata net.idea:modbcum:1.0.5-SNAPSHOT/maven-metadata.xml from/to ambit-plovdiv-snapshots (http://ambit.uni-plovdiv.bg:8083/nexus/content/repositories/snapshots): Network is unreachable (connect failed)
[WARNING] Failure to transfer net.idea:modbcum:1.0.5-SNAPSHOT/maven-metadata.xml from http://ambit.uni-plovdiv.bg:8083/nexus/content/repositories/snapshots was cached in the local repository, resolution will not be reattempted until the update interval of ambit-plovdiv-snapshots has elapsed or updates are forced. Original error: Could not transfer metadata net.idea:modbcum:1.0.5-SNAPSHOT/maven-metadata.xml from/to ambit-plovdiv-snapshots (http://ambit.uni-plovdiv.bg:8083/nexus/content/repositories/snapshots): Network is unreachable (connect failed)
[INFO] Downloading: http://ambit.uni-plovdiv.bg:8083/nexus/content/repositories/snapshots/net/idea/modbcum/1.0.5-SNAPSHOT/modbcum-1.0.5-SNAPSHOT.pom
[INFO] Downloading: http://ambit.uni-plovdiv.bg:8083/nexus/content/repositories/snapshots/ambit/ambit2-smarts/3.0.0-SNAPSHOT/maven-metadata.xml
[WARNING] Could not transfer metadata ambit:ambit2-smarts:3.0.0-SNAPSHOT/maven-metadata.xml from/to ambit-plovdiv-snapshots (http://ambit.uni-plovdiv.bg:8083/nexus/content/repositories/snapshots): Network is unreachable (connect failed)
[WARNING] Failure to transfer ambit:ambit2-smarts:3.0.0-SNAPSHOT/maven-metadata.xml from http://ambit.uni-plovdiv.bg:8083/nexus/content/repositories/snapshots was cached in the local repository, resolution will not be reattempted until the update interval of ambit-plovdiv-snapshots has elapsed or updates are forced. Original error: Could not transfer metadata ambit:ambit2-smarts:3.0.0-SNAPSHOT/maven-metadata.xml from/to ambit-plovdiv-snapshots (http://ambit.uni-plovdiv.bg:8083/nexus/content/repositories/snapshots): Network is unreachable (connect failed)
[INFO] Downloading: http://ambit.uni-plovdiv.bg:8083/nexus/content/repositories/snapshots/ambit/ambit2-smarts/3.0.0-SNAPSHOT/ambit2-smarts-3.0.0-SNAPSHOT.pom
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[INFO] BUILD FAILURE
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[INFO] Total time: 26.699 s
[INFO] Finished at: 2016-11-22T14:12:13-07:00
[INFO] Final Memory: 9M/245M
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[ERROR] Failed to execute goal on project biotransformer: Could not resolve dependencies for project wishartlab:biotransformer:jar:1.0.0-SNAPSHOT: Failed to collect dependencies at net.idea:modbcum:jar:1.0.5-SNAPSHOT: Failed to read artifact descriptor for net.idea:modbcum:jar:1.0.5-SNAPSHOT: Could not transfer artifact net.idea:modbcum:pom:1.0.5-SNAPSHOT from/to ambit-plovdiv-snapshots (http://ambit.uni-plovdiv.bg:8083/nexus/content/repositories/snapshots): Network is unreachable (connect failed) -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/DependencyResolutionException