How to fix ITR Error "Only one Original ITR can be filed u/s 139(1). Please change the section and retry."?

Taxpayer gets above error when original ITR is already filed for particular Assessment Year. And the taxpayer is filing ITR for the second time. In case of the above error, you need to perform the following steps on Quicko to solve it: 

1. Login to Quicko, 

2. Go to Taxpayer,

3. Click on View Order, 

4. Click on Amend > Confirm, 

5.  Go to Additional Details > Revise Return

6. Select Revising on your own, enter Acknowledgement Number and Filed on Date of Original ITR,

    (How to know Acknowledgement Number of Original ITR?)

7. Click on Save & Continue. 

8. Go to E-file and file your ITR. 

Note: A taxpayer can only file one ITR u/s 139(1) after that they need to select section 139(5) while filing revise ITR.