Getting issue in Ubntu "not in gzip format"

ThinkPad:~/S$ npm run mongo:rs

> serverless-backend@0.0.1 mongo:rs
> run-rs --version 5.0.10 --keep --dbpath ./run-rs-data

Downloading MongoDB 5.0.10
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   243    0   243    0     0    329      0 --:--:-- --:--:-- --:--:--   329

gzip: stdin: not in gzip format
tar: Child returned status 1
tar: Error is not recoverable: exiting now
Error: Command failed: tar -zxvf mongodb-linux-x86_64-ubuntu1604-5.0.10.tgz

gzip: stdin: not in gzip format
tar: Child returned status 1
tar: Error is not recoverable: exiting now

    at checkExecSyncError (node:child_process:861:11)
    at execSync (node:child_process:932:15)
    at download (/home/neosoft/S/node_modules/run-rs/src/download.js:79:5)
    at run (/home/neosoft/S/node_modules/run-rs/index.js:82:20)
    at run.next (<anonymous>)
    at onFulfilled (/home/neosoft/S/node_modules/co/index.js:65:19)
    at /home/neosoft/S/node_modules/co/index.js:54:5
    at new Promise (<anonymous>)
    at co (/home/neosoft/S/node_modules/co/index.js:50:10)
    at Object.<anonymous> (/home/neosoft/S/node_modules/run-rs/index.js:32:1)
    at Module._compile (node:internal/modules/cjs/loader:1198:14)
    at Object.Module._extensions..js (node:internal/modules/cjs/loader:1252:10)
    at Module.load (node:internal/modules/cjs/loader:1076:32)
    at Function.Module._load (node:internal/modules/cjs/loader:911:12)
    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:81:12)

Your download must have failed and you’ve got a bad archive. Assuming you were really downloading a .tgz … Download again.