Error creating manufacturers on Netbox 4.2.7

[sharkless]

I just intalled a new netbox server for the company I work for. I started to the import and I get the following error message.

Error creating manufacturers
Error '{"manufacturer":["Related object not found using the provided attributes: {'name': 'Juniper', 'slug': 'juniper'}"]}' creating module type: {'manufacturer': {'name': 'Juniper', 'slug': 'juniper'}, 'model': 'JNP7100-FAN1RU-AO', 'part_number': 'JNP7100-FAN1RU-AO', 'comments': 'AFO Fan module for ACX7100 routers', 'src': '/opt/Device-Type-Library-Import/repo/module-types/Juniper/JNP7100-FAN1RU-AO.yaml'}
Error '{"manufacturer":["Related object not found using the provided attributes: {'name': 'Juniper', 'slug': 'juniper'}"]}' creating module type: {'manufacturer': {'name': 'Juniper', 'slug': 'juniper'}, 'model': 'SRX600-PWR-645AC-POE', 'part_number': '740-024283', 'comments': 'Juniper SRX550 Data Sheet\n', 'power-ports': [{'name': 'PSU {module}', 'type': 'iec-60320-c14', 'maximum_draw': 645}], 'src': '/opt/Device-Type-Library-Import/repo/module-types/Juniper/SRX600-PWR-645AC-POE.yaml'}
Traceback (most recent call last):
File "/opt/Device-Type-Library-Import/./nb-dt-import.py", line 54, in
main()
File "/opt/Device-Type-Library-Import/./nb-dt-import.py", line 35, in main
netbox.create_module_types(module_types)
File "/opt/Device-Type-Library-Import/netbox_api.py", line 176, in create_module_types
self.device_types.create_module_power_ports(curr_mt["power-ports"], module_type_res.id)
^^^^^^^^^^^^^^^
UnboundLocalError: cannot access local variable 'module_type_res' where it is not associated with a value

[aki263]

Getting similar error
local variable 'dt' referenced before assignment

[justinsbeck]

also having issues on 4.2.8

Netbox version 4.2 found. Using new filters.
192 Vendors Found
4304 Device-Types Found
Error creating manufacturers
Error {"manufacturer":["Related object not found using the provided attributes: {'name': 'LiteOn', 'slug': 'liteon'}"]} creating device type: LiteOn PF-2273-2L1M-LF
Error {"manufacturer":["Related object not found using the provided attributes: {'name': 'Datto', 'slug': 'datto'}"]} creating device type: Datto AP840