Not able to donate with same option twice

[midhunhk]

Describe the bug
User is not able to donate with the same option again. A Toast saying "purchase flow error" is displayed.

To Reproduce
Steps to reproduce the behavior:

1. Go to Donations Page
2. Click on any Donation Option
3. Complete the transaction
4. Click on the same Donation Option again
5. A Toast with message "Purchase flow error" is displayed

Expected behavior
User should be able to Donate again.

Screenshots
Toast with message "purchase error"

Smartphone (please complete the following information):

• Device: Samsung Galaxy S9
• OS: Android 8.0
• Application Version 4.0.1

Additional context
Need to investigate the reason for "Purchase error".
Need to check if one time product is consumed after purchase.