# Subgraph node run using bsc network got error

**URL:** <https://forum.thegraph.com/t/subgraph-node-run-using-bsc-network-got-error/2767>\
**Category:** Questions & Feedback\
**Created:** [November 24, 2021, 9:24am UTC](https://forum.thegraph.com/t/subgraph-node-run-using-bsc-network-got-error/2767 "2021-11-24T09:24:55Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![lootavatar](https://avatars.discourse-cdn.com/v4/letter/l/a88e4f/32.png) [@lootavatar](https://forum.thegraph.com/u/lootavatar)\
**Post date:** [November 24, 2021, 9:24am UTC](https://forum.thegraph.com/t/subgraph-node-run-using-bsc-network-got-error/2767/1 "2021-11-24T09:24:55Z")

</div>

Code run and test well on Rinkeby. But when using BSC network as data source it got error.  
It’s happened when trigger event code.  
that’s the error message of subgraph:

RPC error: Error { code: ServerError(-32000), message: “header for hash not found”, data: None }

Please help me.