Error on Active Advertisement page.

[AmitSharma512]

Describe the bug
When there is no active advertisement and we click on the active campaigns tab, it shows some runtime error.

To Reproduce
Steps to reproduce the behaviour:

1. Go to advertisements.
2. Click on the Active Campaigns tab.
3. Now you can see the error.

Expected behaviour
There should be no error shown.

Actual behaviour
Some runtime errors are getting popped on the screen.

Screenshots

Additional details
I would like to work on this :))

Potential internship candidates
Please read this if you are planning to apply for a Palisadoes Foundation internship PalisadoesFoundation/talawa#359

[disha1202]

@Cioppolo14 @AmitSharma512

This issue has already been fixed in this PR

[AmitSharma512]

@disha1202 if the problem will be solved after merging your PR then I will close this issue.

[AmitSharma512]

@palisadoes I am closing this issue as i want to work on another issue and this issue will be fixed in the PR made by @disha1202