Title: Wrong Datacenter?
Last modified: March 31, 2024

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# Wrong Datacenter?

 *  Resolved [momo-fr](https://wordpress.org/support/users/momo-fr/)
 * (@momo-fr)
 * [2 years, 2 months ago](https://wordpress.org/support/topic/wrong-datacenter/)
 * Hi, I have an error now on subcribe form:
   _MailChimp HTTP 401 – Your API key 
   may be invalid, or you’ve attempted to access the wrong datacenter._
 * In settings all is all-right (my account is connected).

Viewing 5 replies - 1 through 5 (of 5 total)

 *  Plugin Contributor [Harish Chouhan](https://wordpress.org/support/users/hchouhan/)
 * (@hchouhan)
 * [2 years, 2 months ago](https://wordpress.org/support/topic/wrong-datacenter/#post-17541493)
 * Hello,
 * Does the API status shows connected in our plugin settings?
 *  Thread Starter [momo-fr](https://wordpress.org/support/users/momo-fr/)
 * (@momo-fr)
 * [2 years, 2 months ago](https://wordpress.org/support/topic/wrong-datacenter/#post-17561916)
 * Hi, yes but all forms not send (error).
 *  Plugin Contributor [Lap](https://wordpress.org/support/users/lapzor/)
 * (@lapzor)
 * [2 years, 2 months ago](https://wordpress.org/support/topic/wrong-datacenter/#post-17562172)
 * Please go to MC4WP> Mailchimp, click disconnect and then connect for the API.
   Does any error appear at the top of the screen for a moment when you hit save?
 *  Thread Starter [momo-fr](https://wordpress.org/support/users/momo-fr/)
 * (@momo-fr)
 * [2 years, 1 month ago](https://wordpress.org/support/topic/wrong-datacenter/#post-17713413)
 * Hi, the API is correctly connected but on subscription form we have this error:**
   MailChimp HTTP 400 – Your merge fields were invalid.**
   What wrong?Regards.Jean
 *  Thread Starter [momo-fr](https://wordpress.org/support/users/momo-fr/)
 * (@momo-fr)
 * [2 years, 1 month ago](https://wordpress.org/support/topic/wrong-datacenter/#post-17713576)
 * Hi, I found the solution!! It’s in Audience fields and tags _|MERGE|_… :-))

Viewing 5 replies - 1 through 5 (of 5 total)

The topic ‘Wrong Datacenter?’ is closed to new replies.

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 * 5 replies
 * 3 participants
 * Last reply from: [momo-fr](https://wordpress.org/support/users/momo-fr/)
 * Last activity: [2 years, 1 month ago](https://wordpress.org/support/topic/wrong-datacenter/#post-17713576)
 * Status: resolved