<p>My downloading of Bitcoin Core node stopped at 65.5%. I'm new to coding, but checked debug.log anyways and got the following ream of error messages:</p>
<pre><code>2023-10-06T01:58:47Z ERROR: ReadBlockFromDisk: Errors in block header at FlatFilePos(nFile=2274, nPos=8385995)
2023-10-06T01:58:47Z *** Failed to read block
2023-10-06T01:58:47Z Error: A fatal internal error occurred, see debug.log for details
2023-10-06T01:59:52Z ERROR: ProcessNewBlock: ActivateBestChain failed (Failed to read block)
2023-10-06T01:59:52Z ERROR: ReadBlockFromDisk: Errors in block header at FlatFilePos(nFile=2274, nPos=8385995)
2023-10-06T01:59:52Z *** Failed to read block
2023-10-06T01:59:52Z Error: A fatal internal error occurred, see debug.log for details
2023-10-06T01:59:53Z ERROR: ProcessNewBlock: ActivateBestChain failed (Failed to read block)
2023-10-06T01:59:53Z ERROR: ReadBlockFromDisk: Errors in block header at FlatFilePos(nFile=2274, nPos=8385995)
2023-10-06T01:59:53Z *** Failed to read block
2023-10-06T01:59:53Z Error: A fatal internal error occurred, see debug.log for details
2023-10-06T01:59:55Z ERROR: ProcessNewBlock: ActivateBestChain failed (Failed to read block)
2023-10-06T01:59:55Z ERROR: ReadBlockFromDisk: Errors in block header at FlatFilePos(nFile=2274, nPos=8385995)
2023-10-06T01:59:55Z *** Failed to read block
2023-10-06T01:59:55Z Error: A fatal internal error occurred, see debug.log for details
2023-10-06T01:59:56Z ERROR: ProcessNewBlock: ActivateBestChain failed (Failed to read block)
2023-10-06T01:59:56Z ERROR: ReadBlockFromDisk: Errors in block header at FlatFilePos(nFile=2274, nPos=8385995)
2023-10-06T01:59:56Z *** Failed to read block
2023-10-06T01:59:56Z Error: A fatal internal error occurred, see debug.log for details
2023-10-06T01:59:57Z ERROR: ProcessNewBlock: ActivateBestChain failed (Failed to read block)
2023-10-06T01:59:57Z ERROR: ReadBlockFromDisk: Errors in block header at FlatFilePos(nFile=2274, nPos=8385995)
2023-10-06T01:59:57Z *** Failed to read block
2023-10-06T01:59:57Z Error: A fatal internal error occurred, see debug.log for details
2023-10-06T01:59:57Z ERROR: ProcessNewBlock: ActivateBestChain failed (Failed to read block)
2023-10-06T01:59:57Z ERROR: ReadBlockFromDisk: Errors in block header at FlatFilePos(nFile=2274, nPos=8385995)
2023-10-06T01:59:57Z *** Failed to read block
2023-10-06T01:59:57Z Error: A fatal internal error occurred, see debug.log for details
2023-10-06T01:59:58Z ERROR: ProcessNewBlock: ActivateBestChain failed (Failed to read block)
2023-10-06T01:59:58Z ERROR: ReadBlockFromDisk: Errors in block header at FlatFilePos(nFile=2274, nPos=8385995)
2023-10-06T01:59:58Z *** Failed to read block
2023-10-06T01:59:58Z Error: A fatal internal error occurred, see debug.log for details
2023-10-06T01:59:59Z ERROR: ProcessNewBlock: ActivateBestChain failed (Failed to read block)
2023-10-06T01:59:59Z ERROR: ReadBlockFromDisk: Errors in block header at FlatFilePos(nFile=2274, nPos=8385995)
2023-10-06T01:59:59Z *** Failed to read block
2023-10-06T01:59:59Z Error: A fatal internal error occurred, see debug.log for details
</code></pre>
<p>What should I do?</p>

CC BY-SA 4.0
2023-10-06T07:41:22.643Z
It looks like a hardware failure.
Antoine Poinsot
CC BY-SA 4.0
2023-10-06T16:05:07.140Z
Maybe `blocks/blk02274.dat` is corrupted? Perhaps *[How to recover corrupted Bitcoin-Core blockchain?](https://bitcoin.stackexchange.com/q/65680/13866)* is relevant?
RedGrittyBrick
<bitcoin-core><synchronization><error>
Downloading of Bitcoin Core node stopped at 65.5%
Il-Kyu Han
# Downloading of Bitcoin Core node stopped at 65.5%

(Asked by: username_0 on 2023-10-06)

My downloading of Bitcoin Core node stopped at 65.5%. I'm new to coding, but checked debug.log anyways and got the following ream of error messages:

```
2023-10-06T01:58:47Z ERROR: ReadBlockFromDisk: Errors in block header at FlatFilePos(nFile=2274, nPos=8385995)
2023-10-06T01:58:47Z *** Failed to read block
2023-10-06T01:58:47Z Error: A fatal internal error occurred, see debug.log for details
2023-10-06T01:59:52Z ERROR: ProcessNewBlock: ActivateBestChain failed (Failed to read block)
2023-10-06T01:59:52Z ERROR: ReadBlockFromDisk: Errors in block header at FlatFilePos(nFile=2274, nPos=8385995)
2023-10-06T01:59:52Z *** Failed to read block
2023-10-06T01:59:52Z Error: A fatal internal error occurred, see debug.log for details
2023-10-06T01:59:53Z ERROR: ProcessNewBlock: ActivateBestChain failed (Failed to read block)
2023-10-06T01:59:53Z ERROR: ReadBlockFromDisk: Errors in block header at FlatFilePos(nFile=2274, nPos=8385995)
2023-10-06T01:59:53Z *** Failed to read block
2023-10-06T01:59:53Z Error: A fatal internal error occurred, see debug.log for details
2023-10-06T01:59:55Z ERROR: ProcessNewBlock: ActivateBestChain failed (Failed to read block)
2023-10-06T01:59:55Z ERROR: ReadBlockFromDisk: Errors in block header at FlatFilePos(nFile=2274, nPos=8385995)
2023-10-06T01:59:55Z *** Failed to read block
2023-10-06T01:59:55Z Error: A fatal internal error occurred, see debug.log for details
2023-10-06T01:59:56Z ERROR: ProcessNewBlock: ActivateBestChain failed (Failed to read block)
2023-10-06T01:59:56Z ERROR: ReadBlockFromDisk: Errors in block header at FlatFilePos(nFile=2274, nPos=8385995)
2023-10-06T01:59:56Z *** Failed to read block
2023-10-06T01:59:56Z Error: A fatal internal error occurred, see debug.log for details
2023-10-06T01:59:57Z ERROR: ProcessNewBlock: ActivateBestChain failed (Failed to read block)
2023-10-06T01:59:57Z ERROR: ReadBlockFromDisk: Errors in block header at FlatFilePos(nFile=2274, nPos=8385995)
2023-10-06T01:59:57Z *** Failed to read block
2023-10-06T01:59:57Z Error: A fatal internal error occurred, see debug.log for details
2023-10-06T01:59:57Z ERROR: ProcessNewBlock: ActivateBestChain failed (Failed to read block)
2023-10-06T01:59:57Z ERROR: ReadBlockFromDisk: Errors in block header at FlatFilePos(nFile=2274, nPos=8385995)
2023-10-06T01:59:57Z *** Failed to read block
2023-10-06T01:59:57Z Error: A fatal internal error occurred, see debug.log for details
2023-10-06T01:59:58Z ERROR: ProcessNewBlock: ActivateBestChain failed (Failed to read block)
2023-10-06T01:59:58Z ERROR: ReadBlockFromDisk: Errors in block header at FlatFilePos(nFile=2274, nPos=8385995)
2023-10-06T01:59:58Z *** Failed to read block
2023-10-06T01:59:58Z Error: A fatal internal error occurred, see debug.log for details
2023-10-06T01:59:59Z ERROR: ProcessNewBlock: ActivateBestChain failed (Failed to read block)
2023-10-06T01:59:59Z ERROR: ReadBlockFromDisk: Errors in block header at FlatFilePos(nFile=2274, nPos=8385995)
2023-10-06T01:59:59Z *** Failed to read block
2023-10-06T01:59:59Z Error: A fatal internal error occurred, see debug.log for details

```

What should I do?

**Tags:** bitcoin-core, synchronization, error

> **Comments:**
> **username_1**: It looks like a hardware failure.  
> **username_2**: Maybe `blocks/blk02274.dat` is corrupted? Perhaps *[How to recover corrupted Bitcoin-Core blockchain?](https://bitcoin.stackexchange.com/q/65680/13866)* is relevant?  

---

## 0 answers

