# How to "Failure Reason DMN decision table with key DMCInvoice execution failed" Error

**URL:** https://forum.robusta.ai/t/how-to-failure-reason-dmn-decision-table-with-key-dmcinvoice-execution-failed-error/79
**Category:** Get Help
**Created:** [April 22, 2022, 6:25am UTC](https://forum.robusta.ai/t/how-to-failure-reason-dmn-decision-table-with-key-dmcinvoice-execution-failed-error/79 "2022-04-22T06:25:17Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Mariazino](https://avatars.discourse-cdn.com/v4/letter/m/ac91a4/32.png) [@Mariazino](https://forum.robusta.ai/u/Mariazino)
#### Post date: [April 22, 2022, 6:25am UTC](https://forum.robusta.ai/t/how-to-failure-reason-dmn-decision-table-with-key-dmcinvoice-execution-failed-error/79/1 "2022-04-22T06:25:17Z")

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I am getting the error “Failure Reason DMN decision table with key DMCInvoice execution failed. Cause: Unknown property used in expression: ${collection:allOf(… , body)}” when the “IS IN” option is selected in the Decision Table line. Can you help?

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### Author: ![ilayda.ipar](https://dub1.discourse-cdn.com/flex005/user_avatar/forum.robusta.ai/ilayda.ipar/32/56_2.png) [@ilayda.ipar](https://forum.robusta.ai/u/ilayda.ipar)
#### Post date: [April 22, 2022, 6:51am UTC](https://forum.robusta.ai/t/how-to-failure-reason-dmn-decision-table-with-key-dmcinvoice-execution-failed-error/79/2 "2022-04-22T06:51:24Z")

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The Decision Table information defines the string value between two quotation marks, “…”.

 ![image](https://europe1.discourse-cdn.com/flex005/uploads/robusta1/original/1X/b0ecde422859155a4f4945c07daca5339b87b79b.png)