Error when adding a custom filter by URL

[TheKivster]

Please answer the following questions for yourself before submitting an issue.

• [X] I am running the latest version
• [X] I made sure all content blockers are enabled in Safari settings
• [X] I checked the documentation and found no answer
• [X] I checked to make sure that this issue has not already been filed

AdGuard version

1.11.19

Environment

- OS:Sequoia 15.0.1
- Safari version: 18.0.1 (20619.1.26.31.7)

What filters do you have enabled?

No response

Issue Details

Steps to reproduce:

1. Try to add custom filter
2. Get error saying "Unfortunately, your custom filter cannot be added due to an unexpected error."

Expected Behavior

I expected the filter to add normally

Actual Behavior

I got an error saying "Unfortunately, your custom filter cannot be added due to an unexpected error."

Screenshots

Screenshot 1:

Additional Information

No response

[windwak3r]

@TheKivster, hello! What custom filter are you trying to add? I couldn't reproduce the problem.

[TheKivster]

This filter: https://raw.githubusercontent.com/DandelionSprout/adfilt/master/LegitimateURLShortener.txt