openmaint administration module doesn't allow to changes

As shown in the image when I going to change the administration modules it gives more errors. Following are some errors given.

• java.lang.NullPointerException: function not found for name = opm_request_by_site
• java.lang.NullPointerException: function not found for name = opm_total_requests_by_service
• java.lang.NullPointerException: function not found for name = opm_rooms_by_site
• java.lang.NullPointerException: function not found for name = opm_count_active_devices_by_type
• java.lang.NullPointerException: function not found for name = opm_items_by_condition

according to this picture, the process module can't access. I seem as pale colour..How I solve these errors?