# Config error while mapping CFs in Jira

**URL:** <https://community.exalate.com/t/config-error-while-mapping-cfs-in-jira/5392>\
**Category:** General Questions\
**Tags:** onpremise-jira, migrated\_question\
**Created:** [November 4, 2024, 8:01am UTC](https://community.exalate.com/t/config-error-while-mapping-cfs-in-jira/5392 "2024-11-04T08:01:48Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![xl8bot](https://dub1.discourse-cdn.com/flex018/user_avatar/community.exalate.com/xl8bot/32/324_2.png) [@xl8bot](https://community.exalate.com/u/xl8bot)\
**Post date:** [November 4, 2024, 8:01am UTC](https://community.exalate.com/t/config-error-while-mapping-cfs-in-jira/5392/1 "2024-11-04T08:01:48Z")

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_Originally asked by Asheesh Zar on 06 January 2023 [(original question)](https://oldcommunity.exalate.com/questions/58498309)_

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Hello,

While setting up unidirectional connection from Jira Source Instance to Jira Target Instance on data center. I am getting errors when trying to setup below. Any help on this is much appreciated.

**Incoming script error**  
Cannot set property ‘value’ on null object

Error line: 19

My requirement is to map “Story Points” field from Source to a Text field in Target. Also, I want to map custom field (name: ABC) to custom field (name: XYZ) on target.

Thanks

Asheesh

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**Author:** ![xl8bot](https://dub1.discourse-cdn.com/flex018/user_avatar/community.exalate.com/xl8bot/32/324_2.png) [@xl8bot](https://community.exalate.com/u/xl8bot)\
**Post date:** [November 4, 2024, 8:01am UTC](https://community.exalate.com/t/config-error-while-mapping-cfs-in-jira/5392/2 "2024-11-04T08:01:50Z")

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_Answer by Dhiren Notani on 06 January 2023_

Hi Asheesh Zar ,

Please find the solution to your question below.

For mapping story points to custom fields.

Jira Source Outgoing

replica.customFields.“Story Points” = issue.customFields.“Story Points”

Jira Target Incoming

issue.customFields.“Text field name in Target”.value = replica.customFields.“Story Points”.value

For mapping simple text custom fields with custom fields the syntax still remains the same.

Thanks,

Dhiren

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**Author:** ![xl8bot](https://dub1.discourse-cdn.com/flex018/user_avatar/community.exalate.com/xl8bot/32/324_2.png) [@xl8bot](https://community.exalate.com/u/xl8bot)\
**Post date:** [November 6, 2024, 8:02am UTC](https://community.exalate.com/t/config-error-while-mapping-cfs-in-jira/5392/3 "2024-11-06T08:02:19Z")

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