Solution : https://service.sap.com/sap/support/notes/942194 (SAP Service marketplace login required)
Key words :
enqueue/dequeue inconsistenciesthe reason, - hrhap_c_element_set_status- hrhap_c_element_set_released- hrhap_c_element_set_unreleased- hrhap_c_element_set_in_historyapply, status change, takes place, appraisal catalog, template configuration, function independent, dequeued independent, dequeue_once setting, deleted solution