If you control no creature tokens when instructed to populate, you won’t create a token.
July 3, 2020 · Core Set 2021
rule 701.36b not present in this release
May 3, 2019 · War of the Spark
Only two cards belonging to the same meld pair can be melded. Tokens, cards that aren’t meld cards, or meld cards that don’t form a meld pair can’t be melded.
January 25, 2019 · Ravnica Allegiance
Only two cards belonging to the same meld pair can be melded. Tokens, cards that aren't meld cards, or meld cards that don't form a meld pair can't be melded.
April 27, 2018 · Dominaria
Only two cards belonging to the same meld pair can be melded. Tokens, cards that aren’t meld cards, or meld cards that don’t form a meld pair can’t be melded.