'View in block explorer ' crashes app for Polygon.

[einaralex]

Describe the bug
A clear and concise description of what the bug is

• App crashed when trying to view block explorer for a Polygon. Might effect other custom networks. With or without Block Explorer URL defined, it still crashes.

Screenshots
If applicable, add screenshots or links to help explain your problem
https://user-images.githubusercontent.com/2564144/181694325-34aaf6cf-e53b-468a-999d-afb6ac041ad1.MOV

To Reproduce
Steps to reproduce the behavior

1. Be connected to Polygon.
2. Find any token in assets, click and view its details.
3. Press '...' in the upper right corner and choose 'View in block explorer'

Expected behavior
A clear and concise description of what you expected to happen
Show me error instead of crashing, should take me to the URL if defined.

Smartphone (please complete the following information):

• Device: [e.g. iPhone11]
• OS: [e.g. iOS15.5]
• App Version [e.g. 5.4.0] - find version number in app from Settings > About MetaMask

---

to be added after bug submission by internal support / PM
Severity

• How critical is the impact of this bug on a user?
• Add stats if available on % of customers impacted
• Is this visible to all users?
• Is this tech debt?

[gantunesr]

Hi @einaralex, thanks for reporting. There's already a fix dedicated to this issue

[cortisiko]

closing issue as it was fixed and merged in #4780