# Error return when we tried to migrate from A020 to A039

**URL:** <https://developer.community.nhs.uk/t/error-return-when-we-tried-to-migrate-from-a020-to-a039/15118>\
**Category:** e-Referral Service (e-RS)\
**Tags:** fhir\
**Created:** [15 September 2026 08:08 UTC](https://developer.community.nhs.uk/t/error-return-when-we-tried-to-migrate-from-a020-to-a039/15118 "2026-09-15T08:08:22Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![gareth.perkins](https://avatars.discourse-cdn.com/v4/letter/g/8baadc/32.png) [@gareth.perkins](https://developer.community.nhs.uk/u/gareth.perkins)\
**Post date:** [16 September 2026 11:57 UTC](https://developer.community.nhs.uk/t/error-return-when-we-tried-to-migrate-from-a020-to-a039/15118/3 "2026-09-16T11:57:19Z")

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Hi @tony.marsh1 same issue as [403 (Forbidden) REC\_FORBIDDEN on A039 endpoint INT](https://developer.community.nhs.uk/t/403-forbidden-rec-forbidden-on-a039-endpoint-int/15109) will the same resolution apply?

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_[View the full topic](https://developer.community.nhs.uk/t/error-return-when-we-tried-to-migrate-from-a020-to-a039/15118)._