infoblox_ipv4_association allocation by CIDR not working

[chetanns99]

not able to allocate using CIDR: getting below error.

module.network_np_east_sandbox_networking_vwanhub_resource_2.infoblox_ipv4_allocation.allocation: Creating... ╷ │ Error: error while creating a host record: WAPI request error: 400('400 Bad Request') │ Contents: │ { "Error": "AdmConProtoError: 10.194.240.2/31,Azure does not match any unique networks/ranges (ipv4addr)", │ "code": "Client.Ibap.Proto", │ "text": "10.194.240.2/31,Azure does not match any unique networks/ranges (ipv4addr)" │ } │ │ │ with module.network_np_east_sandbox_networking_vwanhub_resource_2.infoblox_ipv4_allocation.allocation, │ on ....\modules\networkallocation\main.tf line 4, in resource "infoblox_ipv4_allocation" "allocation": │ 4: resource "infoblox_ipv4_allocation" "allocation" {