Can not template to VM from client side

Our openenbula is integrated with Vcenter which is hypervisor for Openenbula.
we created template on vcenter and upload to Opennebula Portal. So, client user can create vm from template. But now can not create please kindly check attach photo.

Hello @kyaw_swar_hein,

From what we see is a problem of the Vcenter side… is a limit depending on your infrastructure.
Please take a look on their knowledgebase:
Too many outsanding operations