# Make green\_wp76xx failes on libjansson.so

**URL:** <https://forum.legato.io/t/make-green-wp76xx-failes-on-libjansson-so/3196>\
**Category:** Uncategorized\
**Created:** [April 9, 2018, 1:08pm UTC](https://forum.legato.io/t/make-green-wp76xx-failes-on-libjansson-so/3196 "2018-04-09T13:08:01Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.legato.io/jyijyi/32/822_2.png) [@jyijyi](https://forum.legato.io/u/jyijyi)\
**Post date:** [April 10, 2018, 1:48am UTC](https://forum.legato.io/t/make-green-wp76xx-failes-on-libjansson-so/3196/3 "2018-04-10T01:48:31Z")

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Hi,  
there is similar issue here:

> [@Issue in Installing AF 17.11.0 on Ubuntu](https://forum.legato.io/t/issue-in-installing-af-17-11-0-on-ubuntu/2986/2):
>
> Hi, Did you download the toolchain from here for WP76xx: [https://source.sierrawireless.com/resources/airprime/software/wp76xx/wp76xx-firmware-release-7-components/](https://source.sierrawireless.com/resources/airprime/software/wp76xx/wp76xx-firmware-release-7-components/) If no, please try this.

Please use the correct toolchain.

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