opencv android sdk downloads

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Why is opencv android sdk 2.4.8 - 2.4 is not available in the downloads????

There is always error in opencv android 2.4.9, and I want to switch to some previous versions?

Please help, I am always encountering this errors when I try to clean the opencv library and sample projects I imported on eclipse:

Errors occurred during the build. Errors running builder 'Android Package Builder' on project 'OpenCV Library - 2.4.9'. Resource '/OpenCV Library - 2.4.9/bin' does not exist. Resource '/OpenCV Library - 2.4.9/bin' does not exist.

Is it just me that getting this errors??? Please help me :(