Attached a patch for those who might require one. Feel free to expand on the patch and adding more validation checks to the structure of the views before attempting the update. The patch should apply to both 1.x and 2.x.
When filtering the broken links report by status code using the grouped filter ("Result"), you receive this error message:
Notice: Undefined index: min in Drupal\views\Plugin\views\filter\NumericFilter->acceptExposedInput() (line 432 of /var/www/web/core/modules/views/src/Plugin/views/filter/NumericFilter.php)
Load the report with the specified filter, e.g. /admin/reports/linkchecker?result=1
Fix the default view config
Fixed
1.0
Code
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Attached a patch for those who might require one. Feel free to expand on the patch and adding more validation checks to the structure of the views before attempting the update. The patch should apply to both 1.x and 2.x.