Lotus Notes template

Lotus Domino
Lotus Notes 6.5
Lotus Notes error messages
Lotus Notes 6.5 mail template illegal circular use core-emailer; I have a customized mail template and am using Domino 6.5. Each time my users open mail or create a new memo we or they get "illegal circullar use coreemailer." I have to click it between 6 to 10 ten times before it goes off and after preparing the message the same happens when you send or open mails. I opened the document in designer and have no co-emailer class in it to delete it as one mentioned and it did work. Does anyone have a work around to this issue and please can you give me a step-by-step process. And when you reply, it sounds like the bells on the PC or laptop which ever you use and its very irritating and my users are frustrated by it. Please can I have a practical solution?

Software/Hardware used:
software lotus domino 6.5

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Error: ‘Illegal circular USE: CoreEmailClasses’ when opening messages

Technote (FAQ)


When opening messages in a Notes mail file, the following error message appears:

    “Illegal circular USE: CoreEmailClasses”


The “Illegal circular USE” message will appear when the script library CoreEmailClasses is missing in the mail file.

Replace the design of the mail file with the appropriate mail template to restore the script library.

To check if the script library is available, open the mail file in Domino Designer, expand Resources, then the Script Libraries. The library CoreEmailClasses should be listed.

Supporting Information:
In one case, replacing the design of the mail file did not resolve the issue. Instead, the customer had to first delete the memo form stored in the mail file and then replace the design.

Discuss This Question: 3  Replies

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  • charleskanzim
    i have replaced design several times and still its the same and how and can u give the steps to follow to delete and how to replace it if i delete where is the replacement coming from and how
    30 pointsBadges:
  • Gabe9527

    OK do you have the Designer Client installed?


    If so Open the database in the design client. Find the library in question. Click on it and hit Delete. This should delete the corrupt Library. Then go into Forms and delete the MEMO form. Come out of the DB and then refresh the Database Design.


    Give it a shot.

    11,095 pointsBadges:
  • charleskanzim
    thanks a lot u ar so kind and helpful u remove my stress i will give it a shot and advise soonest thanks
    30 pointsBadges:

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