# What should be checked if encountering an Error Message: Invalid json - /ewaybills/create?

**URL:** <https://community.getswipe.in/t/what-should-be-checked-if-encountering-an-error-message-invalid-json-ewaybills-create/631>\
**Category:** General\
**Created:** [July 10, 2024, 7:07am UTC](https://community.getswipe.in/t/what-should-be-checked-if-encountering-an-error-message-invalid-json-ewaybills-create/631 "2024-07-10T07:07:14Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Vishnu\_diya](https://yyz1.discourse-cdn.com/flex003/user_avatar/community.getswipe.in/vishnu_diya/32/21_2.png) [@Vishnu\_diya](https://community.getswipe.in/u/Vishnu_diya)\
**Post date:** [July 10, 2024, 7:07am UTC](https://community.getswipe.in/t/what-should-be-checked-if-encountering-an-error-message-invalid-json-ewaybills-create/631/1 "2024-07-10T07:07:14Z")

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Please check with the HSN Code of the items. Click on Verify HSN Codes, it will pop up the item name in which the HSN Code is invalid.

 ![image](https://canada1.discourse-cdn.com/flex003/uploads/getswipe/original/2X/0/05470871d9b1ed05338f2ad06a744607c63deddf.png)

Kindly verify the HSN codes from this link [https://services.gst.gov.in/services/searchhsnsac](https://services.gst.gov.in/services/searchhsnsac)