Upgrade error

[Jerakin]

1.13.2 - lua - pokedex/pokemon.lua:513: attempt to index local 'pkmn' (a nil value) - 
stack traceback:
	pokedex/pokemon.lua:513: in function 'get_variant'
	pokedex/pokemon.lua:1101: in function 'upgrade_to_default_variant'
	pokedex/pokemon.lua:1156: in function 'upgrade_pokemon'
	screens/popups/import/import.gui_script:15: in function <screens/popups/import/import.gui_script:10>
	[C]: in function 'resume'
	monarch/monarch.lua:893: in function 'on_message'
	monarch/screen_factory.script:43: in function <monarch/screen_factory.script:35>


1.13.2 - lua - pokedex/pokemon.lua:513: attempt to index local 'pkmn' (a nil value) - 
stack traceback:
	pokedex/pokemon.lua:513: in function 'get_variant'
	pokedex/pokemon.lua:1101: in function 'upgrade_to_default_variant'
	pokedex/pokemon.lua:1156: in function 'upgrade_pokemon'
	pokedex/storage.lua:163: in function 'get_pokemon'
	screens/popups/transfer_pokemon/transfer.gui_script:288: in function <screens/popups/transfer_pokemon/transfer.gui_script:282>
	[C]: in function 'resume'
	monarch/monarch.lua:893: in function 'on_message'
	monarch/screen_factory.script:43: in function <monarch/screen_factory.script:35>

[Jerakin]

Seen: 1 on iOS, 2 on Android and 4 on Windows.

Second error: 1 on Windows.

[Jerakin]

Happened onces on iOS so far in 1.13.3

1.13.3 - lua - pokedex/pokemon.lua:522: attempt to index local 'pkmn' (a nil value) - 
stack traceback:
	pokedex/pokemon.lua:522: in function 'get_variant'
	pokedex/pokemon.lua:1110: in function 'upgrade_to_default_variant'
	pokedex/pokemon.lua:1165: in function 'upgrade_pokemon'
	screens/popups/import/import.gui_script:15: in function <screens/popups/import/import.gui_script:10>
	[C]: in function 'resume'
	monarch/monarch.lua:893: in function 'on_message'
	monarch/screen_factory.script:43: in function <monarch/screen_factory.script:35>