ошибка при добавлении кода в lineinfile

Question

- name: insert new line
     hosts: testservers
     tasks: 
      - name: insert new line
        lineinfile:
         path: /var/tmp/test.env
         regexp: '^install_dbpaas'
         insertafter: '############ file system section'
         line: "DEV[${#DEV[@]}+1]=testserver-data:/var_bin FS[${#DEV[@]}]=/test MNT[${#DEV[@]}]=rw,hard
          state: present


   - name: insert new line
     hosts: testservers
     tasks: 
      - name: insert new line
        lineinfile:
         path: /var/tmp/test.env
         regexp: '^install_dbpaas'
         insertafter: '############ file system section'
         line: "DEV[${#DEV[@]}+1]=testserver-data:/var_bin FS[${#DEV[@]}]=/test MNT[${#DEV[@]}]=rw,hard
          state: present