Deadline should be a date in the future !!! publishCampaign function, it's parse time is error in cource video!!!

[cxp-13]

Correct approach!!!
Math.round(new Date(campaign.deadline) / 1000)

new Date(campaign.deadline).getTime()There will be 3 more zeros!!!

[cxp-13]

const moonLanding = new Date('2024-01-12');

// Milliseconds since Jan 1, 1970, 00:00:00.000 GMT
console.log(moonLanding.getTime());
// output: 1705017600000

[cxp-13]

block.timestamp (uint): The timestamp of the current block, in seconds since Unix epoch