I just tried to configure the gateway with Photon (iMessage) - however I get the following error message: [5/5] Installing Node sidecar deps (spectrum-ts)...
$ cd /opt/hermes/plugins/platforms/photon/sidecar && /usr/local/bin/npm ci
npm error code EACCES
npm error syscall mkdir
npm error path /opt/hermes/plugins/platforms/photon/sidecar/node_modules
npm error errno -13
npm error Error: EACCES: permission denied, mkdir '/opt/hermes/plugins/platforms/photon/sidecar/node_modules'
npm error at async mkdir (node:internal/fs/promises:858:10)
npm error at async /usr/local/lib/node_modules/npm/node_modules/@npmcli/arborist/lib/arborist/reify.js:638:20
npm error at async Promise.allSettled (index 0)
npm error at async [reifyPackages] (/usr/local/lib/node_modules/npm/node_modules/@npmcli/arborist/lib/arborist/reify.js:334:11)
npm error at async Arborist.reify (/usr/local/lib/node_modules/npm/node_modules/@npmcli/arborist/lib/arborist/reify.js:149:5)
npm error at async CI.exec (/usr/local/lib/node_modules/npm/lib/commands/ci.js:100:5)
npm error at async Npm.exec (/usr/local/lib/node_modules/npm/lib/npm.js:207:9)
npm error at async module.exports (/usr/local/lib/node_modules/npm/lib/cli/entry.js:74:5) {
npm error errno: -13,
npm error code: 'EACCES',
npm error syscall: 'mkdir',
npm error path: '/opt/hermes/plugins/platforms/photon/sidecar/node_modules'
npm error }
npm error
npm error The operation was rejected by your operating system.
npm error It is likely you do not have the permissions to access this file as the current user
npm error
npm error If you believe this might be a permissions issue, please double-check the
npm error permissions of the file and its containing directories, or try running
npm error the command again as root/Administrator.
npm error A complete log of this run can be found in: /opt/data/.npm/_logs/2026-06-24T20_24_42_432Z-debug-0.log
npm ci failed — falling back to: /usr/local/bin/npm install
npm error code EACCES
npm error syscall mkdir
npm error path /opt/hermes/plugins/platforms/photon/sidecar/node_modules
npm error errno -13
npm error Error: EACCES: permission denied, mkdir '/opt/hermes/plugins/platforms/photon/sidecar/node_modules'
npm error at async mkdir (node:internal/fs/promises:858:10)
npm error at async /usr/local/lib/node_modules/npm/node_modules/@npmcli/arborist/lib/arborist/reify.js:638:20
npm error at async Promise.allSettled (index 0)
npm error at async [reifyPackages] (/usr/local/lib/node_modules/npm/node_modules/@npmcli/arborist/lib/arborist/reify.js:334:11)
npm error at async Arborist.reify (/usr/local/lib/node_modules/npm/node_modules/@npmcli/arborist/lib/arborist/reify.js:149:5)
npm error at async Install.exec (/usr/local/lib/node_modules/npm/lib/commands/install.js:150:5)
npm error at async Npm.exec (/usr/local/lib/node_modules/npm/lib/npm.js:207:9)
npm error at async module.exports (/usr/local/lib/node_modules/npm/lib/cli/entry.js:74:5) {
npm error errno: -13,
npm error code: 'EACCES',
npm error syscall: 'mkdir',
npm error path: '/opt/hermes/plugins/platforms/photon/sidecar/node_modules'
npm error }
npm error
npm error The operation was rejected by your operating system.
npm error It is likely you do not have the permissions to access this file as the current user
npm error
npm error If you believe this might be a permissions issue, please double-check the
npm error permissions of the file and its containing directories, or try running
npm error the command again as root/Administrator.
npm error A complete log of this run can be found in: /opt/data/.npm/_logs/2026-06-24T20_24_42_792Z-debug-0.log
npm install failed
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✓ Messaging platforms configured!
Restart the gateway to pick up changes? [Y/n]: It seems that it tries to write in the image in /opt/hermes/... - is there a fix or a workaround to that?