Invalid dimensions selected for your chosen format.Please see -help for valid parameters.

[ShengyuDu]

I have the same error when I compress a texture (640*662) using ver2020R2.

However it works fine in ver1.6.

Maybe the reason is ASTC encoding has been built in texlib since 2020R2?

PVRTexToolCLI failing to generate ASTC with astcenc v2.0

This underlying tool for ASTC encoding was recently updated, and the command line arguments were changed on some of the options. This causes PVRTexToolCLI to fail when calling it to encode. Since I can’t see the command line that PVRTexTool sends, this is likely easier to track down and fix on your end. This was on macOS Catalina 10.15.6, and when installing the new astcenc you have to chmod 755 on it, and launch it once from Finder to create a security exception for it. Otherwise Catalina w…