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Welp, something is up. Lighthouse seems to be unhappy, which causes Reth to crash. I did not see this problem when sycning from scratch (although it never completed due to disk usage).
> 2026-07-15T17:56:24.109219Z INFO reth_node_events::node: Block added to canonical chain number=25531952 hash=0xd5d721b58154f4cc857d89981444273252d823a7b248cdffafd8684a0345eda0 peers=30 txs=431 gas_used=41.90Mgas gas_throughput=376.16Mgas/second gas_limit=60.00Mgas full=69.8% base_fee=0.38Gwei blobs=7 excess_blobs=1519 elapsed=111.386589ms
>
> 2026-07-15T17:56:24.195290Z INFO engine::tree::payload_validator: State root task finished state_root=0xe72b23fa2353024852edf7e0a67a99568433a362512e709099c76e353af6d481 elapsed=8.068719ms
>
>2026-07-15T17:56:24.195566Z INFO reth_node_events::node: Block added to canonical chain number=25531953 hash=0xc57f6d270eeeda644b58d31684611952d50ffabc718a7b990827b983be2dd569 peers=30 txs=424 gas_used=30.32Mgas gas_throughput=348.11Mgas/second gas_limit=60.00Mgas full=50.5% base_fee=0.40Gwei blobs=5 excess_blobs=1512 elapsed=87.097678ms
>
> 2026-07-15T17:56:24.207528Z INFO reth_node_events::node: Canonical chain committed number=25531953 hash=0xc57f6d270eeeda644b58d31684611952d50ffabc718a7b990827b983be2dd569 elapsed=11.867503ms
>
> 2026-07-15T17:56:25.034014Z ERROR engine::persistence: Persistence service failed err=ProviderError(UnexpectedStaticFileBlockNumber(TransactionSenders, 25531938, 25500000))
>
> 2026-07-15T17:56:25.034062Z ERROR engine::tree: Channel disconnected
>
> 2026-07-15T17:56:25.055318Z ERROR engine::tree: Fatal error
>
> 2026-07-15T17:56:25.055371Z ERROR reth::cli: Fatal error in consensus engine
>
> 2026-07-15T17:56:25.055529Z ERROR reth::cli: shutting down due to error err=Fatal error in consensus engine
>
> Error: Fatal error in consensus engine
Lighthouse log:
> Jul 15 18:56:05.001 INFO Syncing peers: "66", distance: "7859 slots (1 day 2 hrs)", speed: "4.00 slots/sec", est_time: "32 mins"
>
> Jul 15 18:56:17.000 INFO Syncing peers: "66", distance: "7796 slots (1 day 1 hrs)", speed: "4.00 slots/sec", est_time: "32 mins"
>
> Jul 15 18:56:27.827 ERROR Error during execution engine upcheck error: HttpClient(url: http://127.0.0.1:8556/, kind: request, detail: client error (Connect))
>
> Jul 15 18:56:29.001 INFO Syncing peers: "61", distance: "7765 slots (1 day 1 hrs)", speed: "4.00 slots/sec", est_time: "32 mins"
>
> Jul 15 18:56:29.443 WARN Execution engine call failed error: HttpClient(url: http://127.0.0.1:8556/, kind: request, detail: client error (Connect))
>
> Jul 15 18:56:29.443 WARN Error whilst processing payload status error: Api { error: HttpClient(url: http://127.0.0.1:8556/, kind: request, detail: client error (Connect)) }
>
> Jul 15 18:56:29.443 CRIT Failed to update execution head error: ExecutionForkChoiceUpdateFailed(EngineError(Api { error: HttpClient(url: http://127.0.0.1:8556/, kind: request, detail: client error (Connect)) }))
>
> Jul 15 18:56:29.444 ERROR Error during execution engine upcheck error: HttpClient(url: http://127.0.0.1:8556/, kind: request, detail: client error (Connect))

Welp, something is up. Lighthouse seems to be unhappy, which causes Reth to crash. I did not see this problem when sycning from scratch (although it never completed due to disk usage).
> 2026-07-15T17:56:24.109219Z INFO reth_node_events::node: Block added to canonical chain number=25531952 hash=0xd5d721b58154f4cc857d89981444273252d823a7b248cdffafd8684a0345eda0 peers=30 txs=431 gas_used=41.90Mgas gas_throughput=376.16Mgas/second gas_limit=60.00Mgas full=69.8% base_fee=0.38Gwei blobs=7 excess_blobs=1519 elapsed=111.386589ms
>
> 2026-07-15T17:56:24.195290Z INFO engine::tree::payload_validator: State root task finished state_root=0xe72b23fa2353024852edf7e0a67a99568433a362512e709099c76e353af6d481 elapsed=8.068719ms
>
>2026-07-15T17:56:24.195566Z INFO reth_node_events::node: Block added to canonical chain number=25531953 hash=0xc57f6d270eeeda644b58d31684611952d50ffabc718a7b990827b983be2dd569 peers=30 txs=424 gas_used=30.32Mgas gas_throughput=348.11Mgas/second gas_limit=60.00Mgas full=50.5% base_fee=0.40Gwei blobs=5 excess_blobs=1512 elapsed=87.097678ms
>
> 2026-07-15T17:56:24.207528Z INFO reth_node_events::node: Canonical chain committed number=25531953 hash=0xc57f6d270eeeda644b58d31684611952d50ffabc718a7b990827b983be2dd569 elapsed=11.867503ms
>
> 2026-07-15T17:56:25.034014Z ERROR engine::persistence: Persistence service failed err=ProviderError(UnexpectedStaticFileBlockNumber(TransactionSenders, 25531938, 25500000))
>
> 2026-07-15T17:56:25.034062Z ERROR engine::tree: Channel disconnected
>
> 2026-07-15T17:56:25.055318Z ERROR engine::tree: Fatal error
>
> 2026-07-15T17:56:25.055371Z ERROR reth::cli: Fatal error in consensus engine
>
> 2026-07-15T17:56:25.055529Z ERROR reth::cli: shutting down due to error err=Fatal error in consensus engine
>
> Error: Fatal error in consensus engine
Lighthouse log:
> Jul 15 18:56:05.001 INFO Syncing peers: "66", distance: "7859 slots (1 day 2 hrs)", speed: "4.00 slots/sec", est_time: "32 mins"
>
> Jul 15 18:56:17.000 INFO Syncing peers: "66", distance: "7796 slots (1 day 1 hrs)", speed: "4.00 slots/sec", est_time: "32 mins"
>
> Jul 15 18:56:27.827 ERROR Error during execution engine upcheck error: HttpClient(url: http://127.0.0.1:8556/, kind: request, detail: client error (Connect))
>
> Jul 15 18:56:29.001 INFO Syncing peers: "61", distance: "7765 slots (1 day 1 hrs)", speed: "4.00 slots/sec", est_time: "32 mins"
>
> Jul 15 18:56:29.443 WARN Execution engine call failed error: HttpClient(url: http://127.0.0.1:8556/, kind: request, detail: client error (Connect))
>
> Jul 15 18:56:29.443 WARN Error whilst processing payload status error: Api { error: HttpClient(url: http://127.0.0.1:8556/, kind: request, detail: client error (Connect)) }
>
> Jul 15 18:56:29.443 CRIT Failed to update execution head error: ExecutionForkChoiceUpdateFailed(EngineError(Api { error: HttpClient(url: http://127.0.0.1:8556/, kind: request, detail: client error (Connect)) }))
>
> Jul 15 18:56:29.444 ERROR Error during execution engine upcheck error: HttpClient(url: http://127.0.0.1:8556/, kind: request, detail: client error (Connect))