Mailchimp Error

I recently connected fb leads to mailchimp and everything was going well. But recently, tasks have been failing. I haven't changed anything but it still there was error. So I tried troubleshooting but recapturing webhook response directly from Pabbly and it worked great. But when direct leads from facebook came through the failed task message showed up again.
Please can you help.

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Hi @Mktg,

Login to your Pabbly Connect and Facebook Lead Ads accounts in incognito mode, establish a new connection with your Lead Ads account, and try to capture a new lead.

I did as instructed but still, the same problem remains. It captures when i send the webhook. But when a lead directly signs up, nothing is captured. Error message again

Could you please follow the instructions given in the thread shared below and see if this fixes your issuehttps://forum.pabbly.com/threads/facebook-lead-ads.2740/