In Classic PPM, a lock is created when a project is opened in OWB or MSP. When looking at the project in Clarity you see an unlock button in the project properties.
In Modern UX (MUX) you can see that the project is locked, but there is no option to unlock it.
How can we unlock a project in MUX, if it has been locked by a scheduler?
All Clarity releases
This feature is made available in 16.3.0 and details can be found in our release notes of 16.3.0 under section Unlock an Investment