# E500 Server Error when trying to edit Z-wave Things in paperUI

**URL:** <https://community.openhab.org/t/e500-server-error-when-trying-to-edit-z-wave-things-in-paperui/89844>\
**Category:** Runtime\
**Tags:** z-wave\
**Created:** [January 8, 2020, 8:09am UTC](https://community.openhab.org/t/e500-server-error-when-trying-to-edit-z-wave-things-in-paperui/89844 "2020-01-08T08:09:24Z")\
**Posts on this page:** 1\
**Showing post:** 11

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**Author:** ![chris](https://community.openhab.org/letter_avatar_proxy/v4/letter/c/958977/32.png) [@chris](https://community.openhab.org/u/chris)\
**Post date:** [January 8, 2020, 7:10pm UTC](https://community.openhab.org/t/e500-server-error-when-trying-to-edit-z-wave-things-in-paperui/89844/11 "2020-01-08T19:10:30Z")

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> [@mariofrombelgium](#):
>
> > Unresolved requirement: Import-Package: org.eclipse.smarthome.io.transport.serial

You need to install the serial driver. `feature`install-transport-serial`

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