You can typically obtain the ppge_atlas.zim file through the following official and community sources:
The file ppge_atlas.zim is a critical asset required for the PPSSPP emulator to properly render user interface elements, such as fonts and menus, in PSP games. Without this file, users often experience errors such as "Failed to load ppge_atlas.zim" or find that text is missing from save screens and internal menus. ppge_atlas.zim download
PPSSPP saying it still requires a file, but it's seems to run okay You can typically obtain the ppge_atlas
Once downloaded, the file must be placed in a specific directory for the emulator to recognize it. The correct path depends on your platform: such as fonts and menus