I using ovirt-iso-uploader command to upload iso. but failed and giving me the following error.

[root@ha ~]# engine-iso-uploader --verbose -i iso upload delta1.iso 
Please provide the REST API password for the admin@internal oVirt Engine user (CTRL+D to abort): 
DEBUG: API Vendor(None)	API Version(4.2.0)
DEBUG: id=029786a6-4686-44a1-a667-b948df945712 address=storage1 path=/iso
Uploading, please wait...
INFO: Start uploading delta1.iso 
ERROR: glfs_init failed: Success
[root@ha ~]# ^C
I've been looking for a possible solution but nothing works yet. Any
guidance on this matter will be appreciate it.