why i am facing problem in uploading Zoho plugin on Wordpress website?

why i am facing problem in uploading Zoho plugin on Wordpress website?

I am facing an uploading issue of the Zoho plugin  kindly give me the solution. 
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    Zoho Desk Resources

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                        Zoho CRM Resources

                        • CRM Community Learning Series

                          CRM Community Learning Series


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                        • Functions

                          Functions

                        • Meetups

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                        • Kbase

                          Kbase

                        • Resources

                          Resources

                        • Digest

                          Digest

                        • CRM Marketplace

                          CRM Marketplace

                        • MVP Corner

                          MVP Corner




                          Zoho Writer Writer

                          Get Started. Write Away!

                          Writer is a powerful online word processor, designed for collaborative work.

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