synchronization – How can I make Zap synchronize with the Bitcoin community?

I am utilizing the Mac working system. I downloaded Lightning App and Zap from Github.

The pockets cannot be synchronized with the community, how can I synchronize it and might I do it with out having to obtain the total blockchain?

Lightning App exhibits me the error the community cannot be synchronized...,
once I launch Lightning App it additionally pops up an error: Syncing to chain ... block peak: 0.

Once I launch Zap:

Uncaught Exception:
Error: Join Failed
    at ClientReadableStream._emitStatusIfDone (/Purposes/Zap.app/Contents/Sources/app.asar/node_modules/grpc/src/consumer.js:255:19)
    at ClientReadableStream._readsDone (/Purposes/Zap.app/Contents/Sources/app.asar/node_modules/grpc/src/consumer.js:221:8)
    at readCallback (/Purposes/Zap.app/Contents/Sources/app.asar/node_modules/grpc/src/consumer.js:283:12)

What am I lacking to get Lightning to run?