This post fromMiniToolprovides 5 ways for you to get rid of the issue.
Now, keep on your reading.
Baldurs Gate 3 is a role-playing video game developed and published by Belgian game developer Larian Studios.

However, this gave rise to the unable to Save bug in Baldurs Gate 3.
Now, lets see how to remove the Baldurs Gate 3 cant save issue.
Here is how to do that:
1.

Open Steam Library and find Baldurs Gate 3.
Right-click it to chooseProperties….
2.
Under theSTEAM CLOUDpart, turn off theKepp games saves in the Steam Cloud for Baldurs Gate 3toggle.

you’re able to go to the in-game configs and uncheck the cross-save box.
Then restart Baldurs Gate 3.
Fix 3: Verify File Integrity
1.

Open Steam and click theLibrarytab.
FindBaldurs Gate 3and right-click it to chooseProperties….
3.
Then, click theVerify integrity of game filesoption.
MiniTool ShadowMaker TrialClick to Download100%Clean & Safe
1.
Press theWindows+Ekeys together to openFile Explorer.
Go to the following path:
C:\Users<user folder name>\appdata\local\Larian Studios
3.
Right-click Baldurs Gate 3 folder to select theDeleteoption.
Thus, you oughta add Baldurs Gate 3 to the Microsoft Defender trusted app.
Press theWindows+Ikeys to open theSettingsapplication.
Go toUpdate & Security>Windows Security>Open Windows Security.
ClickVirus & threat protection>Manage configs.
Select theAdd or remove exclusionsoption.
Choose theAddan exclusionbutton and select theFolderoption.
If you have the same problem, try these solutions.