# Plot data points for material properties is no longer working

**URL:** <https://prepomax.discourse.group/t/plot-data-points-for-material-properties-is-no-longer-working/1159>\
**Category:** Bug Reports\
**Created:** [October 8, 2023, 6:39pm UTC](https://prepomax.discourse.group/t/plot-data-points-for-material-properties-is-no-longer-working/1159 "2023-10-08T18:39:55Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Gunnar](https://avatars.discourse-cdn.com/v4/letter/g/ed655f/32.png) [@Gunnar](https://prepomax.discourse.group/u/Gunnar)\
**Post date:** [October 8, 2023, 6:39pm UTC](https://prepomax.discourse.group/t/plot-data-points-for-material-properties-is-no-longer-working/1159/1 "2023-10-08T18:39:55Z")

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V1.4.1 Error: Specified cast is not valid.

 ![0](https://global.discourse-cdn.com/free1/uploads/prepomax/original/2X/6/6b633a892005ea8feff5c718c3f6a1e1d27b6bfa.png)

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**Author:** ![FEAnalyst](https://yyz2.discourse-cdn.com/free1/user_avatar/prepomax.discourse.group/feanalyst/32/688_2.png) [@FEAnalyst](https://prepomax.discourse.group/u/FEAnalyst)\
**Post date:** [October 8, 2023, 9:22pm UTC](https://prepomax.discourse.group/t/plot-data-points-for-material-properties-is-no-longer-working/1159/2 "2023-10-08T21:22:18Z")

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I can confirm this. Also, notice that in v1.4.1, temperature fields are shown even when temperature-dependence is not enabled:

 ![plastic](https://global.discourse-cdn.com/free1/uploads/prepomax/original/2X/9/95d05a978fbad8ddcaa3fce0725a1887418574f3.png)

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**Author:** ![Matej](https://avatars.discourse-cdn.com/v4/letter/m/a698b9/32.png) [@Matej](https://prepomax.discourse.group/u/Matej)\
**Post date:** [October 9, 2023, 8:57am UTC](https://prepomax.discourse.group/t/plot-data-points-for-material-properties-is-no-longer-working/1159/3 "2023-10-09T08:57:21Z")

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I have fixed the code and updated the release version v1.4.1.

Please give it a try and confirm it is working now.

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**Author:** ![FEAnalyst](https://yyz2.discourse-cdn.com/free1/user_avatar/prepomax.discourse.group/feanalyst/32/688_2.png) [@FEAnalyst](https://prepomax.discourse.group/u/FEAnalyst)\
**Post date:** [October 9, 2023, 9:29am UTC](https://prepomax.discourse.group/t/plot-data-points-for-material-properties-is-no-longer-working/1159/4 "2023-10-09T09:29:01Z")

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I can confirm that it’s working now.

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**Author:** ![Matej](https://avatars.discourse-cdn.com/v4/letter/m/a698b9/32.png) [@Matej](https://prepomax.discourse.group/u/Matej)\
**Post date:** [October 9, 2023, 9:47pm UTC](https://prepomax.discourse.group/t/plot-data-points-for-material-properties-is-no-longer-working/1159/5 "2023-10-09T21:47:29Z")

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