check if rmlpr.timer is installed before disabling

lmn-client.yml

@@ -154,11 +154,16 @@
             ><not><or><user>root</user><user>ansible</user><user>Debian-gdm</user><user>sddm</user><user>{{ localuser }}</user></or></not>
           </volume>
         state: absent
- 
+
+    - name: check if rmlpr.timer is installed
+      stat: path=/etc/systemd/system/rmlpr.timer
+      register: rmlpr
+
     - name: disable rmlpr.timer
       systemd:
         name: rmlpr.timer
         enabled: false
+      when: rmlpr.stat.exists
  
     - name: Remove deprecated files and directories
       file: