Doesn't work with pm2-beta

[T1MOXA]

38 | var WORKER_INTERVAL = isNaN(parseInt(conf.workerInterval)) ? 30 * 1000 :
39 |   parseInt(conf.workerInterval) * 1000; // default: 30 secs
40 | var SIZE_LIMIT = get_limit_size(); // default : 10MB
41 | var ROTATE_CRON = conf.rotateInterval || "0 0 * * *"; // default : every day at midnight
42 | var RETAIN = isNaN(parseInt(conf.retain)) ? undefined : parseInt(conf.retain); // All
43 | var COMPRESSION = JSON.parse(conf.compress) || false; // Do not compress by default
                            ^
SyntaxError: JSON Parse error: Unexpected identifier "undefined"
      at /root/.pm2/modules/pm2-logrotate-ext/node_modules/pm2-logrotate-ext/app.js:43:24
      at /root/.bun/install/global/node_modules/require-in-the-middle/index.js:101:39
      at /root/.bun/install/global/node_modules/pm2-beta/lib/ProcessContainerForkBun.js:27:1