# Error ID Generator Pod

**URL:** <https://community.mosip.io/t/error-id-generator-pod/843>\
**Category:** Support\
**Created:** [October 18, 2023, 2:44pm UTC](https://community.mosip.io/t/error-id-generator-pod/843 "2023-10-18T14:44:03Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![karlxix](https://avatars.discourse-cdn.com/v4/letter/k/e9c0ed/32.png) [@karlxix](https://community.mosip.io/u/karlxix)\
**Post date:** [October 18, 2023, 2:44pm UTC](https://community.mosip.io/t/error-id-generator-pod/843/1 "2023-10-18T14:44:03Z")

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Go this error after installing Kernel  
this is from Idgenerator pod

,“message”:“ERROR: duplicate key value violates unique constraint "pk\_uin\_id"\n Detail: Key (uin)=(4396497569) already exists.”,“logger\_name”:“org.hibernate.engine.jdbc.spi.SqlExceptionHelper”,“thread\_name”:“vert.x-worker-thread-6”,“level”:“ERROR”,“level\_value”:40000}

 ![image](https://europe1.discourse-cdn.com/flex017/uploads/mosip1/original/1X/b3fdd1579a3f4b9667f891785f38b424297aee4d.png)

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**Author:** ![sanchi-singh24](https://dub1.discourse-cdn.com/flex017/user_avatar/community.mosip.io/sanchi-singh24/32/538_2.png) [@sanchi-singh24](https://community.mosip.io/u/sanchi-singh24)\
**Post date:** [October 18, 2023, 4:48pm UTC](https://community.mosip.io/t/error-id-generator-pod/843/2 "2023-10-18T16:48:56Z")

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Hi @karlxix

Thanks for sharing the error log as I can see this is coming after installing the kernel, our team will look into this and get back to you with a resolution.

Best Regards,  
Team MOSIP

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**Author:** ![nayakrounak](https://dub1.discourse-cdn.com/flex017/user_avatar/community.mosip.io/nayakrounak/32/12_2.png) [@nayakrounak](https://community.mosip.io/u/nayakrounak)\
**Post date:** [October 23, 2023, 12:58pm UTC](https://community.mosip.io/t/error-id-generator-pod/843/3 "2023-10-23T12:58:54Z")

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Hi @karlxix

This is the expected behaviour in the ID generator.

When the ID pool gets populated, the ID generator generates IDs, which get validated against the already stored IDs in the database.

Hence, you will see this error in the logs when new IDs are generated.

Thanks,  
Rounak

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<div class="post-metadata">

**Author:** ![karlxix](https://avatars.discourse-cdn.com/v4/letter/k/e9c0ed/32.png) [@karlxix](https://community.mosip.io/u/karlxix)\
**Post date:** [October 23, 2023, 2:31pm UTC](https://community.mosip.io/t/error-id-generator-pod/843/4 "2023-10-23T14:31:52Z")

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Hi,  
thanks, we already solved this issue we can now close this one.

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<div class="post-metadata">

**Author:** ![sanchi-singh24](https://dub1.discourse-cdn.com/flex017/user_avatar/community.mosip.io/sanchi-singh24/32/538_2.png) [@sanchi-singh24](https://community.mosip.io/u/sanchi-singh24)\
**Post date:** [October 25, 2023, 1:40pm UTC](https://community.mosip.io/t/error-id-generator-pod/843/5 "2023-10-25T13:40:31Z")

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Closed on October 25, 2023, 1:40pm UTC