Ensure you have SS-Ale-016_s.7z.001 , SS-Ale-016_s.7z.002 , and any subsequent numbered files.
The .7z.002 extension confirms this is a "split" archive. Because 7-Zip cannot read part 2 without part 1, the file is currently unusable on its own. How to use this file SS-Ale-016_s.7z.002
Split files (except for the last one) are usually exactly the same size. If one is smaller, the download may be corrupted. Ensure you have SS-Ale-016_s
Right-click the file ending in .001 and select "Extract Here." The software will automatically pull data from part .002 to reconstruct the original video or folder. Ensure you have SS-Ale-016_s.7z.001
Do you have the of this archive, or are you seeing an error message when trying to open it?