# Step \[Append streams\] failed to initialize!Step

**URL:** <https://community.automationedge.com/t/step-append-streams-failed-to-initialize-step/853>\
**Category:** Get Help & Discuss\
**Created:** [November 30, 2018, 9:04am UTC](https://community.automationedge.com/t/step-append-streams-failed-to-initialize-step/853 "2018-11-30T09:04:50Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![amit.tate](https://avatars.discourse-cdn.com/v4/letter/a/ba9def/32.png) [@amit.tate](https://community.automationedge.com/u/amit.tate)\
**Post date:** [November 30, 2018, 9:04am UTC](https://community.automationedge.com/t/step-append-streams-failed-to-initialize-step/853/1 "2018-11-30T09:04:50Z")

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Hello,  
I am getting error while running from automationedge 5.0 but In process studio 5.0 its working fine.

**com.automationedge.ps.core.exception.ProcessStudioException: Step [Append streams] failed to initialize!Step**

Could you please guide me how can i handle this issue.

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**Author:** ![amit.tate](https://avatars.discourse-cdn.com/v4/letter/a/ba9def/32.png) [@amit.tate](https://community.automationedge.com/u/amit.tate)\
**Post date:** [December 1, 2018, 11:55am UTC](https://community.automationedge.com/t/step-append-streams-failed-to-initialize-step/853/2 "2018-12-01T11:55:57Z")

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![append%20stream%20error](https://canada1.discourse-cdn.com/flex027/uploads/automationedge/original/1X/6e2a47a9c65448e1a7b247a36e76764ab2c3ca20.png)

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**Author:** ![rakesh.kale](https://avatars.discourse-cdn.com/v4/letter/r/ac91a4/32.png) [@rakesh.kale](https://community.automationedge.com/u/rakesh.kale)\
**Post date:** [December 3, 2018, 8:56am UTC](https://community.automationedge.com/t/step-append-streams-failed-to-initialize-step/853/3 "2018-12-03T08:56:00Z")

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Hi Amit,

This is known issue in AE 5.0. It will get resolved in next release of AE.