Question about Yahoo YHT-630 System

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Error Code -40402


I've just recently uploaded Messenger 9.0 to my laptop (just moved to Dubai) and I am trying to add new contact details, specifically mobile numbers as I wish to be able to SMS people from my laptop, however, after I enter the mobile number and hit Enter, the following message comes up......

"The last Address Book Operation did not succeed due to a server error (Error Code -40402)".

Can some genius out there please help me.


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  • 12 more comments 
  • rimaam Mar 04, 2009

    when i try to add messenger details (person's name) on yahoo messenger 9.0, it does not and i get error code 40402

  • yahooaddict Mar 09, 2009

    I try to add nick name of one of my yahoo messenger friend, however I get this error everytime I try doing that

    "The last Addres Book operation did not succeed due to a server error. (Error Code: -40402)"

    Is there a bug in the new version of yahoo messenger or problem with the ID of my friend?


  • Anonymous Mar 09, 2009


  • Anonymous Mar 09, 2009

    Error Code -40402

  • hippie2mars Mar 10, 2009

    I'm trying to edit the contact name and get the same error. Very frustrating.

  • Anonymous Mar 11, 2009

    the same messege come to me after i try to delete only one person i dont like him in my contact list how can i fix it

  • Anonymous Mar 11, 2009

    Error Code -40402, wit changing contact details.............

  • sheffalipand Mar 13, 2009

    "The last Address Book Operation did not succeed due to a server error (Error Code -40402)".

    the same messege come to me after i try to delete only one person i dont like him in my contact list how can i fix it

  • Anonymous Mar 14, 2009

    Same error appears to me.. please.... I have to keep track of all the girls i chat with.. realy important u see

  • Anonymous Mar 14, 2009

    Im also having same problem.

  • Anonymous Mar 16, 2009

    problema mea este aceea ca in loc sa imi apara nickname imi apar id`urile chiar daca acolo am dat nickname or first and last enerveaza foarte rog sa ma ajutati(mess 9)

  • m_creative_k Mar 16, 2009

    i m change my contect detail and i wany to show my nick clourefull to other friends but here come this messege(the last address book opreation did not succeed due to a server error.(code: 0 40402

  • vennelakssv Mar 25, 2009

    if i change the name also still showing error code how to solve this problem, if install the new yahoo messanger its shows this error code 40402

  • Anonymous Mar 29, 2009

    i have the same problem ...why yahoo make this wrong how i can remember my friend details ....what i can do


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Well, the Yahoo Messenger 9 doesn't let you change the contact details.

Use the following link, and if you edit your address book in your yahoo mail account, the yahoo messenger takes over the nickname from the address book in the e-Mail account...

I hope this solves the problem


Posted on Mar 16, 2009

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