I don't know how to install GHC on your system configuration, please install manually [ FAILURE ] Ensure the appropriate GHC is installed (1m) Error: Command failed with exit code 1 (EPERM): stack --allow-different-user setup at makeError (/builds/cgenie/purescript-gargantext/node_modules/purescript-installer/node_modules/execa/lib/error.js:59:11) at handlePromise (/builds/cgenie/purescript-gargantext/node_modules/purescript-installer/node_modules/execa/index.js:112:26) at runMicrotasks (<anonymous>) at processTicksAndRejections (internal/process/task_queues.js:93:5)