# Testnets

**URL:** https://forum.celestia.org/c/testnets/19.md

[Latest](https://forum.celestia.org/latest.md) · [Categories](https://forum.celestia.org/categories.md)

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## [About the Testnets category](https://forum.celestia.org/t/about-the-testnets-category/791)

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**Author:** [@Carebear](https://forum.celestia.org/u/Carebear)\
**Replies:** 0

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Developer-focused or node-operator focused Testnet network discussions.

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## [I get a runtime error when i try to submit.blob or request state on light node](https://forum.celestia.org/t/i-get-a-runtime-error-when-i-try-to-submit-blob-or-request-state-on-light-node/1385)

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**Author:** [@michaelkernaghan](https://forum.celestia.org/u/michaelkernaghan)\
**Replies:** 0\
**Last updated:** [December 12, 2023, 8:31pm UTC](https://forum.celestia.org/t/i-get-a-runtime-error-when-i-try-to-submit-blob-or-request-state-on-light-node/1385 "2023-12-12T20:31:46Z")

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I get a runtime error when i try to submit.blob or request state on light node the log is 2023-12-12T07:55:39.951-0800 ERROR rpc go-jsonrpc@v0.3.1/handler.go:276 panic in rpc method ‘blob.Submit’: runti…

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## [\[Celestia-Testnet\] mocha-4 peer connection issue](https://forum.celestia.org/t/celestia-testnet-mocha-4-peer-connection-issue/1315)

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**Author:** [@afa2206](https://forum.celestia.org/u/afa2206)\
**Replies:** 2\
**Last updated:** [November 24, 2023, 1:57am UTC](https://forum.celestia.org/t/celestia-testnet-mocha-4-peer-connection-issue/1315 "2023-11-24T01:57:28Z")

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Hello, Currently running mocha-4 validator node. Keep getting following error message: Nov 23 07:57:17 guest cosmovisor\_mocha-4\[3344725\]: 7:57AM ERR Stopping peer for error err=“read tcp : read: connection reset by pee…

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## [When will the test start？](https://forum.celestia.org/t/when-will-the-test-start/909)

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**Author:** [@manniusl](https://forum.celestia.org/u/manniusl)\
**Replies:** 2\
**Last updated:** [April 3, 2023, 2:07am UTC](https://forum.celestia.org/t/when-will-the-test-start/909 "2023-04-03T02:07:19Z")

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When does the test start? Personally, I am very concerned about this matter…