liquid-js join("\n") is throwing error.

{
  "url": "http://api.novu.local:3000/v1/environments/6840e5801faf3bc20d08307c/bridge",
  "statusCode": 502,
  "message": "Failed to execute Step with id: `email-step-20xb`: Expected ',' or '}' after property value in JSON at position 2137",
  "code": "StepExecutionFailedError",
  "data": {
    "stack": "SyntaxError: Expected ',' or '}' after property value in JSON at position 2137\n    at JSON.parse (<anonymous>)\n    at /usr/src/app/apps/api/dist/app/environments-v1/usecases/output-renderers/email-output-renderer.usecase.js:901:34\n    at step (/usr/src/app/apps/api/dist/app/environments-v1/usecases/output-renderers/email-output-renderer.usecase.js:320:23)\n    at Object.next (/usr/src/app/apps/api/dist/app/environments-v1/usecases/output-renderers/email-output-renderer.usecase.js:261:20)\n    at asyncGeneratorStep (/usr/src/app/apps/api/dist/app/environments-v1/usecases/output-renderers/email-output-renderer.usecase.js:54:28)\n    at _next (/usr/src/app/apps/api/dist/app/environments-v1/usecases/output-renderers/email-output-renderer.usecase.js:72:17)\n    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)"
  },
  "cause": {
    "name": "HTTPError",
    "code": "ERR_NON_2XX_3XX_RESPONSE",
    "timings": {
      "start": 1755522640324,
      "socket": 1755522640325,
      "lookup": 1755522640325,
      "connect": 1755522640325,
      "upload": 1755522640325,
      "response": 1755522640422,
      "end": 1755522640425,
      "phases": {
        "wait": 1,
        "dns": 0,
        "tcp": 0,
        "request": 0,
        "firstByte": 97,
        "download": 3,
        "total": 101
      }
    }
  }
}