diff --git a/openair1/PHY/NR_TRANSPORT/pucch_rx.c b/openair1/PHY/NR_TRANSPORT/pucch_rx.c
index 177217d23f..d3943f5265 100644
--- a/openair1/PHY/NR_TRANSPORT/pucch_rx.c
+++ b/openair1/PHY/NR_TRANSPORT/pucch_rx.c
@@ -409,8 +409,8 @@ void nr_decode_pucch0(PHY_VARS_gNB *gNB,
     uci_pdu->harq->harq_confidence_level = xrtmag_dB-(gNB->measurements.n0_subband_power_tot_dB[pucch_pdu->prb_start]+gNB->pucch0_thres);
     uci_pdu->harq->harq_list = (nfapi_nr_harq_t*)malloc(2);
 
-    uci_pdu->harq->harq_list[0].harq_value = index&0x01;
-    uci_pdu->harq->harq_list[1].harq_value = (index>>1)&0x01;
+    uci_pdu->harq->harq_list[1].harq_value = index&0x01;
+    uci_pdu->harq->harq_list[0].harq_value = (index>>1)&0x01;
 
     if (pucch_pdu->sr_flag == 1) {
       uci_pdu->sr = calloc(1,sizeof(*uci_pdu->sr));
diff --git a/openair1/SCHED_NR_UE/pucch_uci_ue_nr.c b/openair1/SCHED_NR_UE/pucch_uci_ue_nr.c
index 12992a3a57..a2452248b8 100644
--- a/openair1/SCHED_NR_UE/pucch_uci_ue_nr.c
+++ b/openair1/SCHED_NR_UE/pucch_uci_ue_nr.c
@@ -198,7 +198,7 @@ bool pucch_procedures_ue_nr(PHY_VARS_NR_UE *ue, uint8_t gNB_id, UE_nr_rxtx_proc_
 
   /* update current context */
 
-  int subframe_number = (proc->nr_tti_rx)/(ue->frame_parms.ttis_per_subframe);
+  int subframe_number = (proc->nr_tti_rx)/(ue->frame_parms.slots_per_subframe);//ttis_per_subframe);
   nb_pucch_format_4_in_subframes[subframe_number] = 0; /* reset pucch format 4 counter at current rx position */
 
   int dl_harq_pid = ue->dlsch[ue->current_thread_id[proc->nr_tti_rx]][gNB_id][0]->current_harq_pid;
@@ -439,7 +439,7 @@ bool pucch_procedures_ue_nr(PHY_VARS_NR_UE *ue, uint8_t gNB_id, UE_nr_rxtx_proc_
       }
       nb_symbols = nb_symbols_excluding_dmrs[nb_symbols_total-4][index_additional_dmrs][index_hopping];
       nb_of_prbs = 1;
-      subframe_number = nr_tti_tx/(ue->frame_parms.ttis_per_subframe);
+      subframe_number = nr_tti_tx/(ue->frame_parms.slots_per_subframe);//ttis_per_subframe);
       nb_pucch_format_4_in_subframes[subframe_number]++; /* increment number of transmit pucch 4 in current subframe */
       NR_TST_PHY_PRINTF("PUCCH Number of pucch format 4 in subframe %d is %d \n", subframe_number, nb_pucch_format_4_in_subframes[subframe_number]);
       N_sc_ctrl_RB = N_SC_RB/(nb_pucch_format_4_in_subframes[subframe_number]);
@@ -698,6 +698,8 @@ uint8_t get_downlink_ack(PHY_VARS_NR_UE *ue, uint8_t gNB_id,  UE_nr_rxtx_proc_t
   int V_DAI_m_DL = 0;
   NR_UE_MAC_INST_t *mac = get_mac_inst(0);
 
+  if (mac->DLbwp[0] == NULL) return;
+
   if (mac->DLbwp[0]->bwp_Dedicated->pdsch_Config->choice.setup->maxNrofCodeWordsScheduledByDCI[0] == 2) {
     two_transport_blocks = TRUE;
     number_of_code_word = 2;
@@ -1205,7 +1207,7 @@ int trigger_periodic_scheduling_request(PHY_VARS_NR_UE *ue, uint8_t gNB_id, UE_n
     return (1); /* period is slot */
   }
 
-  int16_t N_slot_frame = NR_NUMBER_OF_SUBFRAMES_PER_FRAME * ue->frame_parms.ttis_per_subframe;
+  int16_t N_slot_frame = NR_NUMBER_OF_SUBFRAMES_PER_FRAME * ue->frame_parms.slots_per_subframe;//ttis_per_subframe;
   if (((proc->frame_tx * N_slot_frame) + proc->nr_tti_tx - SR_offset)%SR_periodicity == 0) {
     return (1);
   }
diff --git a/openair1/SIMULATION/NR_PHY/ulsim.c b/openair1/SIMULATION/NR_PHY/ulsim.c
index 840eaa9ffe..d2c713ab7d 100644
--- a/openair1/SIMULATION/NR_PHY/ulsim.c
+++ b/openair1/SIMULATION/NR_PHY/ulsim.c
@@ -747,6 +747,7 @@ int main(int argc, char **argv)
 					 ((int16_t*)&gNB->common_vars.rxdata[0][slot_offset])[i],
 					 ((int16_t*)&gNB->common_vars.rxdata[0][slot_offset])[1+i]);
 	  fclose(input_fd);
+	  LOG_M("rxsig0.m","rx0",gNB->common_vars.rxdata[0][slot_offset],slot_length,1,1);
 	}
 	////////////////////////////////////////////////////////////
 	
diff --git a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
index 5adcf42560..ed7a3b8c78 100644
--- a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
+++ b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
@@ -1065,7 +1065,7 @@ uint8_t compute_nr_root_seq(NR_RACH_ConfigCommon_t *rach_config,
   uint8_t ncs_index = rach_config->rach_ConfigGeneric.zeroCorrelationZoneConfig;
   uint16_t format0 = get_format0(config_index, unpaired);
   uint16_t NCS = get_NCS(ncs_index, format0, rach_config->restrictedSetConfig);
-  uint16_t L_ra = (rach_config->prach_RootSequenceIndex.present) ? 139 : 839;
+  uint16_t L_ra = (rach_config->prach_RootSequenceIndex.present==NR_RACH_ConfigCommon__prach_RootSequenceIndex_PR_l139) ? 139 : 839;
   uint16_t r,u,index,q,d_u,n_shift_ra,n_shift_ra_bar,d_start;
   uint32_t w;
   uint8_t found_preambles = 0;