No error message when click "Import Tax Rates" without select file

[edenduong]

Preconditions (*)

1. Magento 2.3-develop

Steps to reproduce (*)

1. Go to backend
2. System->Import & Export Tax Rates
3. Click "Import Tax Rates" without select file

Expected result (*)

1. The error message is alerted

Actual result (*)

1. Nothing happens.

[m2-assistant]

Hi @edenduong. Thank you for your report.
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@magento give me 2.3-develop instance - upcoming 2.3.x release

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@edenduong do you confirm that you were able to reproduce the issue on vanilla Magento instance following steps to reproduce?

• yes
• no

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[m2-assistant]

Hi @engcom-Bravo. Thank you for working on this issue.
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[magento-engcom-team]

✅ Confirmed by @engcom-Bravo
Thank you for verifying the issue. Based on the provided information internal tickets MC-20227 were created

Issue Available: @engcom-Bravo, You will be automatically unassigned. Contributors/Maintainers can claim this issue to continue. To reclaim and continue work, reassign the ticket to yourself.

[magento-engcom-team]

Hi @edenduong. Thank you for your report.
The issue has been fixed in #24643 by @edenduong in 2.3-develop branch
Related commit(s):

• 77562dabf929b7018682d0f5fa70adcf8a89af79

The fix will be available with the upcoming 2.3.4 release.