{
  "id": 590287,
  "title": "Mysterious Error while Submission",
  "url": "/competitions/cmi-detect-behavior-with-sensor-data/discussion/590287",
  "author_name": "manoj akondi",
  "post_date": "2025-07-19T12:29:22.421000",
  "votes": 0,
  "comment_count": 1,
  "views": 0,
  "content": "<p>Hi everyone,</p>\n<p>Has anyone encountered this error before?</p>\n<blockquote>\n  <p>Could not check whether submission is allowed. Please try again. Unexpected token '&lt;', “&lt;!doctype “… is not valid JSON</p>\n</blockquote>\n<p>I see this when I click the Submit to competition button, and it mysteriously goes away after a while. It’s happened two or three times before. What could be causing this?</p>\n<p>Thanks!</p>",
  "messages": [
    {
      "id": 3250898,
      "postDate": "2025-07-19T12:29:22.423Z",
      "content": "<p>Hi everyone,</p>\n<p>Has anyone encountered this error before?</p>\n<blockquote>\n  <p>Could not check whether submission is allowed. Please try again. Unexpected token '&lt;', “&lt;!doctype “… is not valid JSON</p>\n</blockquote>\n<p>I see this when I click the Submit to competition button, and it mysteriously goes away after a while. It’s happened two or three times before. What could be causing this?</p>\n<p>Thanks!</p>",
      "rawMarkdown": "Hi everyone,\n\nHas anyone encountered this error before?\n\n>Could not check whether submission is allowed. Please try again. Unexpected token '<', “<!doctype “… is not valid JSON\n\nI see this when I click the Submit to competition button, and it mysteriously goes away after a while. It’s happened two or three times before. What could be causing this?\n\nThanks!"
    },
    {
      "id": 3251212,
      "postDate": "2025-07-20T07:45:27.403Z",
      "rawMarkdown": "",
      "isDeleted": true
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  "comments": [
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      "id": 3251212,
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      "post_date": "2025-07-20T07:45:27.403000",
      "content": "",
      "votes": 0,
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  "raw_markdown_by_id": {
    "3250898": "Hi everyone,\n\nHas anyone encountered this error before?\n\n>Could not check whether submission is allowed. Please try again. Unexpected token '<', “<!doctype “… is not valid JSON\n\nI see this when I click the Submit to competition button, and it mysteriously goes away after a while. It’s happened two or three times before. What could be causing this?\n\nThanks!",
    "3251212": ""
  }
}