Vtiger MailChimp Integration

How to fix “Permission to perform this operation denied for name problem” error?

  • The problem is due to the missing entries in the vtiger_ws_entity table in your database.
  • Check whether the module entries are inserted in the vtiger_ws_entity table. (MODULES – VTMailChimpLists, VTMailChimp, VTMailChimpGroups, VTMailChimpGroupings)
  • If not, take the backup copy of your vtiger database.
  • Add required entries in your database by running below query.

insert into vtiger_ws_entity (name,handler_path,handler_class,ismodule)



How to uninstall the installed Vtiger MailChimp?

To uninstall the package after 15 days of trial and the package installed in the wrong domain follow the simple procedures listed below.


  • First take the backup copy of your instance. before follow the uninstallation procedure.
  • Copy and paste the attached file in your Vtiger CRM root folder.
  • In browser run the following the URL (http://yourcrmaddrss/moduledelete.php)
  • Remove the following folders manually in your CRM.
    • yourcrm/modules/VTMailChimp
    • yourcrm/modules/VTMailChimpGroupings
    • yourcrm/modules/VTMailChimpGroups
    • yourcrm/modules/VTMailChimpLists
    • yourcrm/Smarty/templates/modules/VTMailChimp
    • yourcrm/Smarty/templates/modules/VTMailChimpLists
  • Remove the workflows manually. Go to settings → Workflow
    • Add/Remove Contacts from/to MailChimp Lists
    • Add Contacts to MailChimp Lists on First Save
    • Add/Remove Accounts from/to MailChimp Lists
    • Add Accounts to MailChimp Lists on First Save
    • Add/Remove Leads from/to MailChimp Lists
    • Add Leads to MailChimp Lists on First Save
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