You can not create attachments as the issue is in a non-editable workflow state.

Manage Attachments OT-7

This page allows you to manage the attachments for a particular issue. Only users with administrative privileges to remove an issue can remove attachments.
    File Name Size Mime Type Date Attached Attached By  
1 File Huawei_RAN_2G_Logical_Inventory & Interfaces.docx 923 kB application/vnd.openxmlformats-officedocument.wordprocessingml.document Indrasan Yadav
2 File Huawei_RAN_3G_Logical_Inventory & Interfaces.docx 1.70 MB application/vnd.openxmlformats-officedocument.wordprocessingml.document Indrasan Yadav
3 File Huawei_RAN_4G_Logical_Inventory & Interfaces.docx 333 kB application/vnd.openxmlformats-officedocument.wordprocessingml.document Indrasan Yadav
4 File OT_Huawei_RAN_All Nodes_Physical_Inventory.docx 1.75 MB application/vnd.openxmlformats-officedocument.wordprocessingml.document Indrasan Yadav