This version of Unity is unsupported.
Method group is Obsolete

TextureFormat.ASTC_RGB_10x10

Obsolete Enum member TextureFormat.ASTC_RGB_10x10 has been deprecated. Use ASTC_10x10 instead.
Upgrade to ASTC_10x10

Description

ASTC (10x10 pixel block in 128 bits) compressed RGB texture format.

See Also: TextureImporter.textureFormat.