Hi @SM_A,
You will need Rosetta2 emulation installed (a one-off procedure) to run MongoDB 5.0 on M1. NOTE: native M1 binaries are coming with MongoDB 6.0.
However, I expect macOS should automatically prompt you to install Rosetta rather than complaining about a bad CPU type.
Can you confirm the output of:
file $(which mongod)
sw_vers
On my M1 with a brew install of MongoDB 5.0 the file command returns:
/opt/homebrew/bin/mongod: Mach-O 64-bit executable x86_64
You could try manually installing Rosetta 2:
softwareupdate --install-rosetta
Regards,
Stennie