heroku build error permission denied

[NismoGraphics]

please help me error:

remote: node-pre-gyp install --fallback-to-build remote: remote: sh: 1: node-pre-gyp: Permission denied remote: npm ERR! code ELIFECYCLE remote: npm ERR! errno 126 remote: npm ERR! [email protected] install: node-pre-gyp install --fallback-to-build remote: npm ERR! Exit status 126 remote: npm ERR! remote: npm ERR! Failed at the [email protected] install script. remote: npm ERR! This is probably not a problem with npm. There is likely additional logging output above. remote: remote: npm ERR! A complete log of this run can be found in: remote: npm ERR! /tmp/npmcache.39gEe/_logs/2018-12-24T14_09_53_348Z-debug.log remote: remote: -----> Build failed remote: remote: We're sorry this build is failing! You can troubleshoot common issues here: remote: https://devcenter.heroku.com/articles/troubleshooting-node-deploys remote: remote: Some possible problems: remote: remote: - node_modules checked into source control remote: https://blog.heroku.com/node-habits-2016#9-only-git-the-important-bits remote: remote: - Node version not specified in package.json remote: https://devcenter.heroku.com/articles/nodejs-support#specifying-a-node-js-version remote: remote: Love, remote: Heroku remote: remote: ! Push rejected, failed to compile Node.js app. remote: remote: ! Push failed remote: Verifying deploy... remote: remote: ! Push rejected to . remote: To https://git.heroku.com/****.git ! [remote rejected] master -> master (pre-receive hook declined) error: failed to push some refs to 'https://git.heroku.com/.git'