sizonov_stas Umbe remove all mentioned extensions update according to the guide install deleted extensions P. S. yesterday upgraded my instance from beta13 to beta15
Gatsu Try this: 1) Delete vendor folder. 2) Delete composer.lock 3) Run composer install 4) Continue with flarum beta's 15 update PS: Make a backup.
[deleted] Umbe can you post the contents of your composer.json file ? You may need to replace version numbers with "*"
010101 Umbe I'm no expert so maybe wait for someone else's response. But, I think you should (if you have a backup) restore from a backup. Start over. Read this: https://discuss.flarum.org/d/25733-troubleshooting-beta-15-update-non-composer-2-usersupdate-failed