# GRUB error on 149 upgrade

**URL:** <https://community.ipfire.org/t/grub-error-on-149-upgrade/3244>\
**Category:** Update Trouble\
**Created:** [19 September 2020 13:50 UTC](https://community.ipfire.org/t/grub-error-on-149-upgrade/3244 "2020-09-19T13:50:44Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![fiodor](https://community.ipfire.org/user_avatar/community.ipfire.org/fiodor/32/254_2.png) [@fiodor](https://community.ipfire.org/u/fiodor)\
**Post date:** [19 September 2020 21:27 UTC](https://community.ipfire.org/t/grub-error-on-149-upgrade/3244/3 "2020-09-19T21:27:18Z")

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Thanks @roberto, but there’s no boot list, just a black screen:

Welcome to GRUB!  
error: symbol ‘grub\_file\_filters’ not found.  
Entering rescue mode…  
grub rescue\>

And when trying boot:

grub rescue\> linux…  
Unknown command ‘linux’.

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_[View the full topic](https://community.ipfire.org/t/grub-error-on-149-upgrade/3244)._