Unable to modify the cluster resource configuration from luci interface

Issue

• Luci interface is unable to modify the configuration of clustered resources and shows the following error message:

    A resource named "resource1" already exists
  

• Below is the configuration of cluster service which contains above resource:

  <service autostart="1" name="service1" recovery="relocate">
           <lvm name="vg01" vg_name="vg01">
                  <fs device="/dev/vg01/lv1" force_fsck="1" force_unmount="1" fsid="37771" fstype="ext4" mountpoint="/mnt" name="resource1" self_fence="0"/>
           </lvm>
           <script file="/usr/local/bin/testscript" name="resource1"/>
  </service>