Some sites could not be found. See the error log for more detail.
No repository found at file:/home/z/SysML-v2-Release/install/eclipse/.
No repository found at file:/home/z/SysML-v2-Release/install/jupyter/.
Unable to read repository at file:/home/z/.p2/org.eclipse.equinox.p2.repository/cache/compositeContent1659981119.xml
Attribute name "crossorigin" associated with an element type "link" must be followed by the ' = ' character.
No repository found at https://github.com/himi/p2-update-puml-sysmlv2.
Some sites could not be found. See the error log for more detail. No repository found at file:/home/z/SysML-v2-Release/install/eclipse/. No repository found at file:/home/z/SysML-v2-Release/install/jupyter/. Unable to read repository at file:/home/z/.p2/org.eclipse.equinox.p2.repository/cache/compositeContent1659981119.xml Attribute name "crossorigin" associated with an element type "link" must be followed by the ' = ' character. No repository found at https://github.com/himi/p2-update-puml-sysmlv2.