gprs_a9 example_31_ssl.py not working

[AsadDUET]

This worked few days ago in the same board. but now ssl is not working.
http working fine.
Error message when running example_31_ssl.py :

Traceback (most recent call last): File "<stdin>", line 10, in <module> OSError: [Errno 5] EIO

what could be the problem?