Failed to load next.config.js

[laTruffe79]

Hello,
I'm trying to start umami as a systemd service so I try to execute the entrypoint :
/usr/bin/node /var/analytics/umami/node_modules/next/dist/bin/next start --port ${PORT:-3000}
but it failed with this message, how can I solve this problem ?
I'm running nodejs V16.8.0

here is my service :

Unit]
Description=Umami analytics server
After=network.target

[Service]
Environment=NODE_PORT=3000
Environment=PATH=/usr/bin:/usr/local/bin
Environment=NODE_ENV=production
WorkingDirectory=/var/analytics/umami
Restart=always
Type=simple
User=nobody
Group=nogroup
ExecStart=/usr/bin/node /var/analytics/umami/node_modules/next/dist/bin/next start --port ${PORT:-3000}
Restart=on-failure

[Install]
WantedBy=multi-user.target