# QC encounters error and reboots when assigning "BYPASS" for expression pedal **URL:** \ **Category:** Bug Reports\ **Tags:** support\ **Created:** [October 10, 2023, 11:17pm UTC](https://unity.neuraldsp.com/t/qc-encounters-error-and-reboots-when-assigning-bypass-for-expression-pedal/12147 "2023-10-10T23:17:16Z")\ **Posts on this page:** 1\ **Showing post:** 7
**Author:** ![xush](https://sea2.discourse-cdn.com/flex020/user_avatar/unity.neuraldsp.com/xush/32/5100_2.png) [@xush](https://unity.neuraldsp.com/u/xush)\ **Post date:** [October 13, 2023, 10:00pm UTC](https://unity.neuraldsp.com/t/qc-encounters-error-and-reboots-when-assigning-bypass-for-expression-pedal/12147/7 "2023-10-13T22:00:08Z")
> [@WORKAROUND: For crash and reboot when 'Bypass' is assigned to expression pedal - CoreOs 2.2.0](https://unity.neuraldsp.com/t/workaround-for-crash-and-reboot-when-bypass-is-assigned-to-expression-pedal-coreos-2-2-0/12203/1): > > There is a bug in the 2.2.0 firmware that causes a crash and reboot when you attempt to assign the ‘Bypass’ parameter (under the assignment section of the context menu - three dots) to an expression pedal. As you would, for example, to set up auto-engage in a preset. I found two workarounds until they address it (I hope, in the next firmware release). Workaround #1: If you are using an expression pedal on only one EXP jack, you can do this. Unplug your expression pedal from "EXP 1’ and use ‘EX… --- _[View the full topic](https://unity.neuraldsp.com/t/qc-encounters-error-and-reboots-when-assigning-bypass-for-expression-pedal/12147)._