Barcode Scanner is not able to access SD card

I am using the Barcode Scanner plugin. It is scanning bar-codes just fine. It is converting text to QR code as well. However, when I click on the “share” button provided at the QR code result page (given by the plugin itself), I get an error - “Sorry, sd card is not accessible”.

What is the possible solution for this?

already found the solution for this??