Not able to grant privilege from postgresql_grant

[tharinduug]

Hi I'm using postgresql_grant module for create read only user in postgersql DB ( hosted in azure). But getting below error when apply the TF code.

│ Error: could not start transaction: EOF

2022-08-04T11:01:59.214+0300 [DEBUG] provider.stdio: received EOF, stopping recv loop: err="rpc error: code = Unavailable desc = transport is closing"
2022-08-04T11:01:59.215+0300 [DEBUG] provider: plugin process exited: path=.terraform/providers/registry.terraform.io/cyrilgdn/postgresql/1.16.0/linux_amd64/terraform-provider-postgresql_v1.16.0 pid=10231
2022-08-04T11:01:59.215+0300 [DEBUG] provider: plugin exited