This could be because calculation of a value is impractical, such as in intellectual property cases where the volume of the infringement cannot be ascertained. It could also be because the nature of the injury is subjective, such as in cases of a violation of a person's rights.
This could be due to the unfeasibility of determining a value, such as in intellectual property cases where the magnitude of the infringement cannot be quantified. It may also arise from the intangible nature of the injury, which can manifest in cases involving a breach of personal rights.