Resolve common Mailchimp integration issues quickly with these troubleshooting steps:

Pre-Check Requirements:

• Lists must have fewer than 30 fields
• All blocks connected to an audience need identical fields
• Test with new email addresses (not already subscribed)

Form Submission Error Solutions:

1. Reset Mailchimp Connection:

   • Open page editor
   • Double-click Form/Newsletter Block
   • Go to Storage tab
   • Disconnect and reconnect to Mailchimp
   • Select correct subscriber list

2. Fix Common Issues:

   • Remove excess fields (30 max)
   • Verify audience connections
   • Uncheck required fields in Mailchimp
   • Enable Google reCAPTCHA
   • Try manual email address addition

Submission Data Errors Fix:

1. Uncheck Required Fields:

   • Access Mailchimp Audience page
   • Go to Signup Forms > Settings
   • Select Audience Fields and MERGE Tags
   • Uncheck Required boxes (except email)

2. Create New Audience:

   • Set up fresh audience in Mailchimp
   • Connect form to new audience
   • Test submission

3. Reset Mailchimp Connection:

   • Disconnect form from Mailchimp
   • Remove Squarespace integration
   • Reconnect and test
   • Reconnect all forms

Additional Troubleshooting:

• Missing confirmation emails: Check Mailchimp documentation
• Subscriber mismatch: Consider disabling double opt-in
• Spam folder issues: Review Mailchimp's DMARC solutions

Note: Always maintain one Mailchimp connection at a time and verify submissions after making changes.

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