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# Troubleshooting #
Here are some less common issues you might run into when installing Leap Web.
## Cannot find Bundler ##
### Error Messages ###
`bundle: command not found`
### Solution ###
Make sure bundler is installed. `gem list bundler` should list `bundler`.
You also need to be able to access the `bundler` executable in your PATH.
## Incompatible ruby version ##
### Detecting the problem ###
The rubyversion we use for development and testing is noted in the file
.ruby-version
It should match what `ruby --version` prints.
### Solution ###
Install the matching ruby version. For some operation systems this may require
the use of rbenv or rvm.
## Missing development tools ##
Some required gems will compile C extensions. They need a bunch of utils for this.
### Error Messages ###
`make: Command not found`
### Solution ###
Install the required tools. For linux the `build-essential` package provides most of them. For Mac OS you probably want the XCode Commandline tools.
## Missing libraries and headers ##
Some gem dependencies might not compile because they lack the needed c libraries.
### Solution ###
Install the libraries in question including their development files.
Usually the missing library is mentioned in the error message. Searching the
internet for similar errors is a good starting point aswell.
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