The CPanel conversion script currently only works for Admin Level restores. You must have to be admin.
Four easy steps of migrating cPanel account to DirectAdmin

Step 1:
Generate backup data on cPanel. Create full backup of Home Directory.

Step 2:
Rename the generated backup file to cpmove-user.tar.gz and change file permission to 755.

Step 3:
Transfer the backup to DirectAdmin. You can do the transfer in two ways:
1. For beginer: Move the backup to public_html and download it using browser and upload it to user_backups folder of DirectAdmin.
2. For advance user:

1. Move the backup to public_html.
   Login to root using putty
   Go to user backups folder.

   cd /home/admin/user_backups

2. Upload the backup from backup url of cPanel website. Run command below:
3. wget http://website.com/cpmove-user.tar.gz

Step 4:
After successful download to User Backups folder, restore the backup with Admin Tools “Admin Backup/Transfer” of DirectAdmin