Error: importing block 0x0000...: Err(UnknownParent)

This issue occurs when running a Node via the Subspace Binaries, over some time I am faced with this bug

2022-02-23 12:11:39 πŸ’€ Idle (0 peers), best: #505898 (0xaa90…5fea), finalized #0 (0x6ada…0d38), ⬇ 0.5kiB/s ⬆ 0.4kiB/s    
2022-02-23 12:11:44 πŸ’€ Idle (0 peers), best: #505898 (0xaa90…5fea), finalized #0 (0x6ada…0d38), ⬇ 0.1kiB/s ⬆ 90 B/s    
^C%                                                                                                                                                             apple@apples-MacBook-Air farmer-network % bash start-node.sh
2022-02-23 16:50:47 Subspace    
2022-02-23 16:50:47 ✌️  version 0.1.0-35cf6f5-x86_64-macos    
2022-02-23 16:50:47 ❀️  by Subspace Labs <https://subspace.network>, 2021-2022    
2022-02-23 16:50:47 πŸ“‹ Chain specification: Subspace testnet    
2022-02-23 16:50:47 🏷  Node name: undefined-is-not-a-function    
2022-02-23 16:50:47 πŸ‘€ Role: AUTHORITY    
2022-02-23 16:50:47 πŸ’Ύ Database: RocksDb at /Users/apple/Library/Application Support/subspace-node-x86_64-macos-11-snapshot-2022-jan-05/chains/subspace_test/db/full    
2022-02-23 16:50:47 β›“  Native runtime: subspace-100 (subspace-1.tx1.au1)    
2022-02-23 16:50:55 Last archived block 505689    
2022-02-23 16:50:55 Archiving already produced blocks 505690..=505798    
2022-02-23 16:50:57 🏷  Local node identity is: 12D3KooWJBPe9vHbvLzB4roWxLwHgh1rxvgnFFGpidNAgHUjiQuN    
2022-02-23 16:51:14 πŸ§‘β€πŸŒΎ Starting Subspace Authorship worker    
2022-02-23 16:51:14 πŸ“¦ Highest known block at #505898    
2022-02-23 16:51:14 〽️ Prometheus exporter started at 127.0.0.1:9615    
2022-02-23 16:51:14 Listening for new connections on 0.0.0.0:9944.    
2022-02-23 16:51:14 πŸ” Discovered new external address for our node: /ip4/91.196.192.130/tcp/30333/p2p/12D3KooWJBPe9vHbvLzB4roWxLwHgh1rxvgnFFGpidNAgHUjiQuN    
2022-02-23 16:51:16 ♻️  Reorg on #505898,0xaa90…5fea to #505899,0x232b…40bd, common ancestor #505897,0xdebc…7db8    
2022-02-23 16:51:16 ✨ Imported #505899 (0x232b…40bd)    
2022-02-23 16:51:19 βš™οΈ  Syncing, target=#508777 (2 peers), best: #505940 (0x0799…1d85), finalized #0 (0x6ada…0d38), ⬇ 941.8kiB/s ⬆ 238.9kiB/s    
2022-02-23 16:51:24 βš™οΈ  Syncing 12.1 bps, target=#508777 (3 peers), best: #506001 (0x0baa…24d5), finalized #0 (0x6ada…0d38), ⬇ 1.1MiB/s ⬆ 1.4kiB/s    
2022-02-23 16:51:24 πŸ’” Error importing block 0x1c549dca543639e33c50cc2b159d53d0cf97087d58ee32ec2fd7988218610a89: Err(Other(ClientImport("Stored root block extrinsics were not found: [V0 { segment_index: 4680, records_root: [73, 98, 165, 99, 187, 54, 255, 168, 237, 164, 46, 132, 72, 186, 8, 93, 69, 139, 201, 116, 102, 156, 219, 20, 111, 29, 250, 74, 231, 50, 75, 116], prev_root_block_hash: [236, 241, 19, 22, 70, 248, 201, 30, 217, 67, 219, 106, 127, 173, 38, 87, 95, 129, 140, 37, 149, 182, 129, 244, 118, 142, 22, 13, 148, 136, 151, 24], last_archived_block: LastArchivedBlock { number: 505905, archived_progress: Partial(4068) } }]")))    
2022-02-23 16:51:24 πŸ’” Error importing block 0x43a2d20c3e771b08de33bbdd5c45ce68d21a64b561b341256b402c7fa0d69130: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0xf509de3495b65397d78ba282a6e11ecd29a7559cafc822f9057984cff0ab3089: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0xf51d3cec5404f4b70145eb6355a1e8b57a771c7c6e1f38798098fb621d0768cb: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0xd2ad6d9b912038f3692e80a0c9fa98d1fb87018621ba8affbccd38c0f50df7da: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0x2c501d96db0d55d48485260b353a08a841bc6b577b2feedf1ebc34797d8bc0a7: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0x8ae547669da3135e43f64133683b702d645d769fb0b6eea8d598bc5cc6760ff8: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0x3281fdf9c79a4fb2588e066c9263f404ff79f132753464147edbb72e1fbedbc1: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0xa98e793dd4fb8ee93a50b88ae425e5ea49c0555d49977b778ea9d44e0ae05230: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0x44139a7334b65967a7541dc4c0f2ad21831f943e5d4d40adcec580c87f0e5e75: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0x1bfd3fb9c468a822a020e9c0a0124b21c91c48d9f2e6daf7a7da6b234b9e055b: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0x2ff1c96de128817a0e584f1a91335f6940b4f412757977c977e86aecae4f2309: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0xeb403e9cdb6f7f881ed71485727e0f71ac83e0389fe6aafd960cc2bee3ebcb85: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0x53371e9f9dabbbbfb86abc1fec9f157835d50e37b9a8fc9948538b1671d5e8f0: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0xbde971c1a0a833f8a8711746527ffeca2e59a96da7e8bcdb2e454bea47351c0b: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0xf198ae415a4dfe6a47b6ff830ed15fe57591a3a2cf53e3627791d06d029f31fb: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0xcfc62db8d4157791c0c849d168e192c57eb9c1fd1fe089ffee0fcc364514af82: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0xaf3b26c4f362ee78b61e37cd3c04490759d28a70f919bdf4a8339cb5c3da4660: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0x61384f2c47d4cf114008cc108abe3a47b6957df7a9b5162c778aab3615f7d0d3: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0x1034793f34fe3634b66c0ba54a5e039af9781edb1eb6409b1dc8b62c471466d9: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0x08f29a0945231271235f9192d9d81260b5f00de1afb93cc18d69e56bb8573f3c: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0x7d84f598f1e4e4e368c55a72741122685c5f087c982cd3db2cbfea254e537043: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0x258118196185144abe8f5bf7c6a861b41544a51be428f27e4d61e075be9745a3: Err(UnknownParent)    
2022-02-23 16:51:24 πŸ’” Error importing block 0x2094efac7cc80352af67c5b065e756db8d798b675d3e33d17bdc482d2c4461a7: Err(UnknownParent)    
2022-02-23 16:51:29 βš™οΈ  Syncing  0.6 bps, target=#508777 (1 peers), best: #506004 (0xd092…f55f), finalized #0 (0x6ada…0d38), ⬇ 753.9kiB/s ⬆ 2.5kiB/s    
2022-02-23 16:51:30 Accepted a new tcp connection from 127.0.0.1:65036.    
2022-02-23 16:51:31 πŸ’” Error importing block 0x1c549dca543639e33c50cc2b159d53d0cf97087d58ee32ec2fd7988218610a89: Err(Other(ClientImport("Stored root block extrinsics were not found: [V0 { segment_index: 4680, records_root: [73, 98, 165, 99, 187, 54, 255, 168, 237, 164, 46, 132, 72, 186, 8, 93, 69, 139, 201, 116, 102, 156, 219, 20, 111, 29, 250, 74, 231, 50, 75, 116], prev_root_block_hash: [236, 241, 19, 22, 70, 248, 201, 30, 217, 67, 219, 106, 127, 173, 38, 87, 95, 129, 140, 37, 149, 182, 129, 244, 118, 142, 22, 13, 148, 136, 151, 24], last_archived_block: LastArchivedBlock { number: 505905, archived_progress: Partial(4068) } }]")))    
2022-02-23 16:51:31 πŸ’” Error importing block 0x1c549dca543639e33c50cc2b159d53d0cf97087d58ee32ec2fd7988218610a89: Err(Other(ClientImport("Stored root block extrinsics were not found: [V0 { segment_index: 4680, records_root: [73, 98, 165, 99, 187, 54, 255, 168, 237, 164, 46, 132, 72, 186, 8, 93, 69, 139, 201, 116, 102, 156, 219, 20, 111, 29, 250, 74, 231, 50, 75, 116], prev_root_block_hash: [236, 241, 19, 22, 70, 248, 201, 30, 217, 67, 219, 106, 127, 173, 38, 87, 95, 129, 140, 37, 149, 182, 129, 244, 118, 142, 22, 13, 148, 136, 151, 24], last_archived_block: LastArchivedBlock { number: 505905, archived_progress: Partial(4068) } }]")))    
2022-02-23 16:51:34 βš™οΈ  Syncing  0.0 bps, target=#508778 (1 peers), best: #506004 (0xd092…f55f), finalized #0 (0x6ada…0d38), ⬇ 317.3kiB/s ⬆ 1.7kiB/s    
2022-02-23 16:51:34 πŸ’” Error importing block 0x1c549dca543639e33c50cc2b159d53d0cf97087d58ee32ec2fd7988218610a89: Err(Other(ClientImport("Stored root block extrinsics were not found: [V0 { segment_index: 4680, records_root: [73, 98, 165, 99, 187, 54, 255, 168, 237, 164, 46, 132, 72, 186, 8, 93, 69, 139, 201, 116, 102, 156, 219, 20, 111, 29, 250, 74, 231, 50, 75, 116], prev_root_block_hash: [236, 241, 19, 22, 70, 248, 201, 30, 217, 67, 219, 106, 127, 173, 38, 87, 95, 129, 140, 37, 149, 182, 129, 244, 118, 142, 22, 13, 148, 136, 151, 24], last_archived_block: LastArchivedBlock { number: 505905, archived_progress: Partial(4068) } }]")))    
2022-02-23 16:51:37 πŸ’” Error importing block 0x1c549dca543639e33c50cc2b159d53d0cf97087d58ee32ec2fd7988218610a89: Err(Other(ClientImport("Stored root block extrinsics were not found: [V0 { segment_index: 4680, records_root: [73, 98, 165, 99, 187, 54, 255, 168, 237, 164, 46, 132, 72, 186, 8, 93, 69, 139, 201, 116, 102, 156, 219, 20, 111, 29, 250, 74, 231, 50, 75, 116], prev_root_block_hash: [236, 241, 19, 22, 70, 248, 201, 30, 217, 67, 219, 106, 127, 173, 38, 87, 95, 129, 140, 37, 149, 182, 129, 244, 118, 142, 22, 13, 148, 136, 151, 24], last_archived_block: LastArchivedBlock { number: 505905, archived_progress: Partial(4068) } }]")))    
2022-02-23 16:51:39 πŸ’€ Idle (0 peers), best: #506004 (0xd092…f55f), finalized #0 (0x6ada…0d38), ⬇ 320.7kiB/s ⬆ 0.7kiB/s    
2022-02-23 16:51:44 πŸ’€ Idle (0 peers), best: #506004 (0xd092…f55f), finalized #0 (0x6ada…0d38), ⬇ 73 B/s ⬆ 0.2kiB/s    
2022-02-23 16:51:49 πŸ’€ Idle (0 peers), best: #506004 (0xd092…f55f), finalized #0 (0x6ada…0d38), ⬇ 1.9kiB/s ⬆ 0.2kiB/s    
2022-02-23 16:51:54 πŸ’€ Idle (0 peers), best: #506004 (0xd092…f55f), finalized #0 (0x6ada…0d38), ⬇ 30 B/s ⬆ 24 B/s    

Cause

This error is a known issue, it can also occur when you are using the wrong version compared to the rest of the network.

Fix

  • Check to see you are running the latest version.
  • Restart your node