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Indicator: Installation fails with the following error: Error: EACCES: permission denied

Solution: Grant the user "admin" permissions to run the command for the installation process using the following command:

sudo npm install -g mbt --unsafe-perm=true --allow-root

Building a Multitarget Application


Missing npm registry configuration

Indicator: Sometimes, when executing the mbt build [args] command, the build process hangs and ends with a timeout error. This may be due to a network error or because of missing registry configurations. When using packages provided by SAP, you should verify that your npm config file refers to the SAP registry.

Solution: Add an .npmrc file to the module (that hangs) as a sibling to the 'package.json' file as follows:

  $ cat .npmrc


For more details, see the npm documentation.

Make cannot run on Mac OS

Indicator: The mbt build command fails on Mac and the build output contains the following error: xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun

Solution: Install the Command-Line Tools: xcode-select --install The tools can also be downloaded from