mirror of https://github.com/embarklabs/embark.git
26 lines
1.4 KiB
Markdown
26 lines
1.4 KiB
Markdown
title: Troubleshooting
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layout: docs
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---
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In case you're experiencing problems with using Embark, here is a list of solutions to some frequently encountered issues. If this page doesn't help you solve your problem, try doing a search on [GitHub](https://github.com/embarklabs/embark/issues).
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## node-gyp problems
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node-gyp can cause problems, because it requires a C++ compiler.
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If you do have problems caused by it, first follow the installation steps for your OS [here](https://github.com/nodejs/node-gyp#installation).
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If you still have problems and are on Windows, try the following:
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- run `npm config set msvs_version 2015` before `npm install`
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- Repair Windows Build tools that the node-gyp doc made you install. If it tells you to remove a conflicting version do it. After the repair succeeded, reboot.
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## EACCES / npm ERR Permission denied
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Issues typically occur if NodeJS and/or Embark are installed using `sudo`, avoid using it possible. There are [several options](https://docs.npmjs.com/getting-started/fixing-npm-permissions) to fix this. We recommend installing node using [NVM](https://github.com/creationix/nvm/blob/master/README.md)
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## Assuming Contract to be an interface
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This warning happens when Embark can't deploy one of your Smart Contracts because the compiler did not return a bytecode.
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Here are some of the reasons:
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- If it inherits from an interface, it must have all the functions implemented
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- The contract's constructor must be `public`
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