Critical error. Arithmetic operation resulted in an overflow.

[zomgugoff]

Got this error when trying to flash a mcfg_hw.mbn file from the Xperia 1 VI

EfsTools uploadDirectory -i mcfg_hw.mbn -o / -v
Extracting MBN file 'mcfg_hw.mbn' ...
  ItemFile:/mcfg_ftb
  Nv:00071
  ItemFile:/nv/item_files/ims/ims_hybrid_enable
  ItemFile:/nv/item_files/ims/ims_hybrid_enable_Subscription01
  ItemFile:/nv/item_files/modem/lte/rrc/efs/cafi_immediate_scg_release
  ItemFile:/nv/item_files/modem/lte/rrc/efs/cafi_immediate_scg_release_Subscription01
  ItemFile:/nv/item_files/modem/lte/rrc/efs/lte_3gpp_release_ver
  ItemFile:/nv/item_files/modem/lte/rrc/efs/lte_3gpp_release_ver_Subscription01
  ItemFile:/nv/item_files/modem/lte/ML1/asdiv_ulca_disable
  ItemFile:/nv/item_files/modem/lte/ML1/asdiv_ulca_disable_Subscription01
  ItemFile:/mdb/lte/plmn2cacombos_lte.mdb
  Nv:06876
  ItemFile:/nv/item_files/modem/mmode/mcc_list_emerg_call_end_no_sim
  ItemFile:/nv/item_files/modem/mmode/sd/sd_device_config_timers
  ItemFile:/nv/item_files/modem/mmode/scan_scope_rule
  ItemFile:/nv/item_files/modem/mmode/device_mode
  ItemFile:/policyman/global_defines.xml
  ItemFile:/policyman/nrdc_msim_concurrency.xml
  ItemFile:/policyman/device_config.xml
Critical error. Arithmetic operation resulted in an overflow.