Update - 5th August 2021:
In response to problems regarding the progression of the War Effort quest, Ubisoft has released a hotfix:
We deployed a hotfix to address an issue where players could not progress in the "War Effort" quest during the Sigrblot festival, despite having completed all the objectives from the four posts.
Note: You may need to restart the game in order to activate the fix.
Original story follows:
Assassin's Creed Valhalla recently introduced a new update and has added a limited-time event in the Sigrblot festival.
The festival offers various rewards, including the game's first one-handed sword. Viking can find out how to get this unique weapon here.
Amidst the hype surrounding the new experience, players are running into various bugs and glitches. Fortunately, there are ways to work around these problems.
Assassin's Creed Valhalla: How To Fix Sigrblot Festival Issues
Ubisoft has officially recognized some of the issues players are currently facing and has provided various solutions to avoid these bugs.
Players may lose control of Eivor when activating the fishing line from the action wheel during the wolf kill finisher (Three Big Pigs).
For Vikings that encounter this issue, players should re-launch the game or load a previous save game data.
Interacting with guests
Can’t interact with quest givers if players push them out of position.
Should you be confronted with this bug, users should move away from the zone and afterwards, return to the Quest Giver's position.
Missing foreign supplies
Players may face missing supplies, hindering them from completing the remainder of the quest. While no workarounds have been addressed for this, Ubisoft is reportedly working on a hotfix that could be released soon: