It's possible to Release Planned Price Changes via App Manage Material Valuations. However, if you want to release the price for huge number of materials, it's difficult to operate. Because in this App, it can only select limited number of materials once.
SAP S/4HANA Cloud
Reproducing the Issue
Use function Release Planned Price Changes in App Manage Material Valuations.
This is function limitation for App Manage Material Valuations.
To process big number of materials, you could use App Schedule Inventory Accounting Jobs.
Open this App, create new job, search template, and choose the job template Release Planned Price Changes.
By doing this, system will create background job to complete the price release.
CKME, CK24, future price, mass, batch, multiple , KBA , CO-PC-ML , Material Subledger , CO-PC-PCP , Product Cost Planning , Problem