Terraform OPC output log for bug snapshot volume

gistfile1.txt

-/+ opc_compute_storage_volume_snapshot.eci_scripting (new resource required)
      id:                     "149752_backup_14_scripting" => <computed> (forces new resource)
      account:                "/Compute-a427808/cloud_storage" => <computed>
      collocated:             "false" => "false"
      description:            "Backup for EL CORTE INGLES (147081 / 149752)" => "Backup for EL CORTE INGLES (147081 / 149752)"
      machine_image_name:     "/Compute-a427808/christophe.pauliat@oracle.com/Ubuntu.14.04-LTS.amd64.20170811" => <computed>
      name:                   "149752_backup_14_scripting" => "149752_backup_14_scripting"
      parent_volume_bootable: "true" => "false" (forces new resource)
      platform:               "linux" => <computed>
      property:               "/oracle/public/storage/snapshot/default" => <computed>
      size:                   "50" => <computed>
      snapshot_id:            "f3c402b7982fa4f8c140cf26c4a10661333a2887a3fe0bc5e9c19748fec3ff2b-em3" => <computed>
      snapshot_timestamp:     "2017-11-13T10:46:52Z" => <computed>
      start_timestamp:        "2017-11-13T10:46:51Z" => <computed>
      status:                 "completed" => <computed>
      status_detail:          "The storage snapshot is in completed state" => <computed>
      status_timestamp:       "2017-11-13T10:57:09Z" => <computed>
      tags.#:                 "2" => "2"
      tags.0:                 "149752" => "elcorte" (forces new resource)
      tags.1:                 "elcorte" => "149752" (forces new resource)
      uri:                    "https://api-z28.compute.em3.oraclecloud.com/storage/snapshot/Compute-a427808/christophe.pauliat%40oracle.com/149752_backup_14_scripting" => <computed>
      volume_name:            "ECI147081_TF_14_scripting" => "ECI147081_TF_14_scripting"

Notice the "forces new resource". This should not occur.