diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c
index 1e133a028b..2d59e72db2 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c
@@ -1105,11 +1105,14 @@ void handle_nr_uci_pucch_2_3_4(module_id_t mod_id,
     for (int harq_bit = 0; harq_bit < uci_234->harq.harq_bit_len; harq_bit++) {
       const int acknack = ((uci_234->harq.harq_payload[harq_bit >> 3]) >> harq_bit) & 0x01;
       NR_UE_harq_t *harq = find_harq(frame, slot, UE, RC.nrmac[mod_id]->dl_bler.harq_round_max);
-      if (!harq)
+      if (!harq) {
+        LOG_E(NR_MAC, "UE %04x: Could not find a HARQ process at %4d.%2d!\n", UE->rnti, frame, slot);
         break;
+      }
       DevAssert(harq->is_waiting);
       const int8_t pid = sched_ctrl->feedback_dl_harq.head;
       remove_front_nr_list(&sched_ctrl->feedback_dl_harq);
+      LOG_D(NR_MAC,"%4d.%2d bit %d pid %d ack/nack %d\n",frame, slot, harq_bit, pid, acknack);
       handle_dl_harq(UE, pid, uci_234->harq.harq_crc != 1 && acknack, nrmac->dl_bler.harq_round_max);
     }
     free(uci_234->harq.harq_payload);