# Installation Failed on My Ubuntu 16.04 Error final link failed: File in wrong format

**URL:** <https://mediasoup.discourse.group/t/installation-failed-on-my-ubuntu-16-04-error-final-link-failed-file-in-wrong-format/1729>\
**Category:** Deployment & Scalability\
**Created:** [September 10, 2020, 5:52pm UTC](https://mediasoup.discourse.group/t/installation-failed-on-my-ubuntu-16-04-error-final-link-failed-file-in-wrong-format/1729 "2020-09-10T17:52:16Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![livingloves](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/livingloves/32/563_2.png) [@livingloves](https://mediasoup.discourse.group/u/livingloves)\
**Post date:** [September 10, 2020, 5:52pm UTC](https://mediasoup.discourse.group/t/installation-failed-on-my-ubuntu-16-04-error-final-link-failed-file-in-wrong-format/1729/1 "2020-09-10T17:52:16Z")

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`npm i mediasoup` I am Getting The Error As bellow PLEASE help me out

```auto
/usr/bin/ld: /home/admin/node_modules/mediasoup/worker/out/Release/libopenssl.a(bio_ssl.o): file class ELFCLASS64 incompatible with ELFCLASS32
/usr/bin/ld: final link failed: File in wrong format
collect2: error: ld returned 1 exit status
mediasoup-worker.target.mk:233: recipe for target '/home/admin/node_modules/mediasoup/worker/out/Release/mediasoup-worker' failed
make[1]: *** [/home/admin/node_modules/mediasoup/worker/out/Release/mediasoup-worker] Error 1
make[1]: Leaving directory '/home/admin/node_modules/mediasoup/worker/out'
Makefile:16: recipe for target 'default' failed
make: *** [default] Error 2
make: Leaving directory '/home/admin/node_modules/mediasoup/worker'
npm WARN enoent ENOENT: no such file or directory, open '/home/admin/package.json'
npm WARN admin No description
npm WARN admin No repository field.
npm WARN admin No README data
npm WARN admin No license field.

npm ERR! code ELIFECYCLE
npm ERR! errno 2
npm ERR! mediasoup@3.0.0 postinstall: `make -C worker`
npm ERR! Exit status 2
npm ERR!
npm ERR! Failed at the mediasoup@3.0.0 postinstall script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR! /root/.npm/_logs/2020-09-10T17_38_37_500Z-debug.log

```

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**Author:** ![ibc](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/ibc/32/1540_2.png) [@ibc](https://mediasoup.discourse.group/u/ibc)\
**Post date:** [September 11, 2020, 9:07am UTC](https://mediasoup.discourse.group/t/installation-failed-on-my-ubuntu-16-04-error-final-link-failed-file-in-wrong-format/1729/2 "2020-09-11T09:07:41Z")

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> [@livingloves](#):
>
> `file class ELFCLASS64 incompatible with ELFCLASS32`

Have you searched for this in Google?