The method getField() does not exist on Yiisoft\Data\Reader\FilterInterface. It seems like you code against a sub-type of Yiisoft\Data\Reader\FilterInterface such as Yiisoft\Data\Reader\Filter\Like or Yiisoft\Data\Reader\Filter\Between or Yiisoft\Data\Reader\Filter\In or Yiisoft\Data\Reader\Filter\EqualsNull or Yiisoft\Data\Reader\Filter\Compare.
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Ignorable by Annotation
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If this is a false-positive, you can also ignore this issue in your code via the ignore-call annotation