New execute command doesn't detect players

Changing to the following command might work:

execute as @a at @s if block ~ ~-1 ~ grass 0 run kill

@Hangekisobu_231 Thanks! the command you sent works but, the command that I put in the video usually works in java but its fine as long as the command works.

Thank you for your report!

However, this issue has been temporarily closed as Awaiting Response.

Does the command function as expected when using the Upcoming Creator Features experimental toggle?

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@Bartlomeijei Stodkowski idk how to reply on this website but: No, this is probably not intended since the command is like that on java, [Null] means it didn't detect a player which isn't what it's supposed to happen.

Java behaves the same way, only with a different error message. Without as there is no player to kill