[2.x] Error when upgrading extensions to 2.0 using fl upgrade 2.0

prima

Hello,

I'm experiencing an issue while upgrading some FOF extensions to Flarum 2.0:

Having errors:

fof/polls
fof/upload

I'm using command fl upgrade 2.0. The error occurs at step 14/16 [Search & Filter API changes] with the following message:

The PHP subsystem returned an invalid value: Warning: Attempt to read property "name" on null in /usr/local/lib/node_modules/fl2/php-subsystem/src/Upgrade/TwoPointOh/Search.php on line 149

Could someone please look into this?
Thank you for your help!

luceos

Relates to flarum/cliblob/77f7093a3e7268d206c420cf47618779b976e7ac/php-subsystem/src/Upgrade/TwoPointOh/Search.php#L149

and it seems to break on these:

Polls: FriendsOfFlarum/pollsblob/master/src/PollRepository.php#L24
Upload: FriendsOfFlarum/uploadblob/master/src/Repositories/FileRepository.php#L68