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I’m using the Mac operating system. I downloaded

and
Zap
from Github.

The wallet can not be synchronized with the network, how can I synchronize it and can I do it without having to download the full blockchain?

Lightning App shows me the error

the network can not be synchronized...
, when I launch Lightning App it also pops up an error:
Syncing to chain ... block height: 0
.

When I launch Zap:

Uncaught Exception:
Error: Connect Failed
    at ClientReadableStream._emitStatusIfDone (/Applications/Zap.app/Contents/Resources/app.asar/node_modules/grpc/src/client.js:255:19)
    at ClientReadableStream._readsDone (/Applications/Zap.app/Contents/Resources/app.asar/node_modules/grpc/src/client.js:221:8)
    at readCallback (/Applications/Zap.app/Contents/Resources/app.asar/node_modules/grpc/src/client.js:283:12)

What am I missing to get Lightning to run?

Asked question