This Action works only with CS6+ version of Photoshop. To check these settings, go to Image->Mode and check the “RGB color” and “8 Bits/Channel”.
When you will finished your work, then you can to return to your native language. How to change language version you can watch HERE. Each action has been created to work only with the English version of Photoshop. Make sure you are using the English version of Photoshop.