phacility/phabricator · error · Exception

The project icon ("%s") with special attribute "%s" must not

Error message

The project icon ("%s") with special attribute "%s" must not be disabled

What it means

Error "The project icon ("%s") with special attribute "%s" must not be disabled" thrown in phacility/phabricator.

Source

Thrown at src/applications/project/icon/PhabricatorProjectIconSet.php:311

                $key));
          }
          $default = $value;
        } else {
          $original_key = $default['key'];
          throw new Exception(
            pht(
              'Two different icons ("%s", "%s") are marked as the default '.
              'icon. Only one icon may be marked as the default.',
              $key,
              $original_key));
        }
      }

      $special = idx($value, 'special');
      if ($special === self::SPECIAL_MILESTONE) {
        if ($milestone === null) {
          if ($is_disabled) {
            throw new Exception(
              pht(
                'The project icon ("%s") with special attribute "%s" must '.
                'not be disabled',
                $key,
                self::SPECIAL_MILESTONE));
          }
          $milestone = $value;
        } else {
          $original_key = $milestone['key'];
          throw new Exception(
            pht(
              'Two different icons ("%s", "%s") are marked with special '.
              'attribute "%s". Only one icon may be marked with this '.
              'attribute.',
              $key,
              $original_key,
              self::SPECIAL_MILESTONE));
        }

View on GitHub (pinned to 5720a38cfe)

When it happens

Trigger: Thrown at src/applications/project/icon/PhabricatorProjectIconSet.php:311 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of phacility/phabricator@5720a38cfe (2026-08-21). Data as JSON: /api/errors/c0725c5d8306126c. Report an issue: GitHub.