Response to notice 139(9) - documents required?

Have you checked the notice properly, it must mention what docs ais required, also for which Ay is it? 

Dear Kishuk,

Please ignore the sms received as you uploaded the X M L.

This is only for making confuse.

Thank you all for the reply!

This was what was written in the initial notice I received

The return of Income filed by you for Assessment Year 2014-15 vide acknowledgement no. --------------------  Dated 06-01-2015 {AY,Acknowledgement Number and Date are obtained from the ITR}, is considered defective u/s 139(9) of the Income Tax Act, 1961 as it is found to contain certain defects which has been annexed in the next page (Annexure A).

You are herewith afforded an opportunity to rectify the above mentioned defects within the period of fifteen days from the receipt of this notice by providing the required corrections/information through on-line mode. To submit the rectified X M L, kindly log on to  https://incometaxindiaefiling.gov.in/ with your Username and password and choose "e-File in response to notice u/s 139(9)" under the "e-File" section and upload the rectified X M L using the above password as the verification PIN.

Doesn't look like they wanted me to send anything, still I got a message that they have not received documents