You most likely need to go to the Setup, GENERAL PARAMETERS, Folders (GESADS)on the Links tab and add the folder to the Access rights to the folder section.

There is some additional information in the functional help. There is also a knowledgebase article ID 33241 (Error: "Access rights to this folder not sufficient" when attempting to copy something from one folder to another.

Casey Knapp

Principal Analyst, Customer Support & Service

Sage

To search the knowledgebase:

1. Go to https://support.na.sage.com/
2. In the top right corner, click on Log on
3. Select Log on for downloads and personalized content
   
4. Enter the email address and password that you have registered with Note: The assumption is that the account that you are registered with has Sage X3 as a registered product.
5. Click Log on Note: The top right corner will not say Welcome <Your name>
6. In the Search the knowledgebase box, type 33241 and press ENTER
7. You will see a result that you can click on

The resolution for this article:

1. Logon to either the X3 reference folder or the folder that you want to copy to.
2. Open Setup, General parameters, Folders (GESADS)
3. In the Folder field enter the folder you are logged into
4. Click the Links tab
5. In the Access rights to the folder grid, find the Solution Folder from where you want to copy from 
6. In the Authorization granted for the current folder field, the options are None, All or Read. Select the appropriate level of rights you will be granting to the folder.
7. Click Save (Warning: Do not click Validation. This will trigger a full folder validation.)
8. Click Ok
9. Click Close page
10. Log out, log back in again and attempt your copy again