Lotus Notes: Duplicate PUBLIC name CMEMOOBJECT in USE module CoreEmailClasses / Illegal Circular

If you receive above errors while accessing emails in Lotus Notes client, then simply refresh your design from domain admin or client.

• Open Domino Admin Client,
• Goto Files
• Goto Mail Folder, (In domino usually users mail db are exist in mail folder, if you have different folder structure, select that one)
• on right window, you will see the users mail db files, select your required user
• Now goto FILES menu
• Select Application
• & select Replace Design

As shown in the image below . . .

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• A new window popup will appear with few options,
• In Template Server , select your Lotus Domino Server
• Also select mail (R8.5)
• & Click on REPLACE

As shown in the image below . . .

After it finishes replacing the design, you will be able to open the mails properly.

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Another Quick Solution !!!

Another solution that may work is following

• Close Lotus Notes.
• Delete cache.ndk & bookmark.nsf in the Lotus directory. For example I have Windows 7 64 bit, and the location is C:\Program Files (x86)\IBM\Lotus\Notes\Data
• Now Open Lotus Notes Client and hopefully it will work fine.

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Regard’s
Syed Jahanzaib