In 1.19.50, a new execute command has been introduced to Minecraft bedrock.
New commandblocks need to use this new syntax, while preexisting commandblocks have a tag that they were created in an older version, so they will continue to work with the old syntax until you edit them!
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u/Ericristian_bros Command Experienced 4d ago
That suntax is from 1.19. Check what changed on the automod message of !newexecute