npm warning 'repositories' (plural) Not supported.
npm warning 'repositories' (plural) Not supported.

sudo npm install firebird
npm WARN package.json firebird@0.0.10 'repositories' (plural) Not supported.
npm WARN package.json Please pick one as the 'repository' field
jacobalberty/node-firebird-libfbclient,agebrock/node-firebird-libfbclient,xdenser/node-firebird-libfbclient,agebrock/node-firebird-libfbclient,xdenser/node-firebird-libfbclient,jacobalberty/node-firebird-libfbclient,agebrock/node-firebird-libfbclient,xdenser/node-firebird-libfbclient,xdenser/node-firebird-libfbclient,jacobalberty/node-firebird-libfbclient,agebrock/node-firebird-libfbclient,jacobalberty/node-firebird-libfbclient