<p>Update to 9! 8.12 shouldn't be used anymore.</p>

CC BY-SA 4.0
2024-09-05T12:10:10.997Z
2024-09-05T12:10:10.997Z
Samuel Leathers
<p>I have created several transaction on Nami but I have not been able to successfully process a transaction using the CLI.</p>
<pre><code>cardano-cli conway transaction build 
--testnet-magic 1 
--tx-in $tx_in 
--tx-out $receiver+1000000 
--change-address $sender 
--out-file simple-tx.draft
</code></pre>
<p>Here is the error.
<code>Size mismatch when decoding Record RecD.\nExpected 31, but found 30.</code></p>
<p>Here is the current cardano-node and cardano cli version</p>
<pre><code>cardano-cli 8.20.3.0
cardano-node 8.9.0
</code></pre>
<p>I am using Demeter.
Here is the course I am following
<a href="https://www.andamio.io/course/ppbl2024/102/lesson/2" rel="nofollow noreferrer">https://www.andamio.io/course/ppbl2024/102/lesson/2</a></p>
<p>Does anyone know how I can overcome this error? I don't want to just move on from this lesson as it's things like this where you learn the most.</p>

<transaction><testnet>
I am getting an error creating a simple transaction. I am following Gimbalab tutorial
# I am getting an error creating a simple transaction. I am following Gimbalab tutorial

(Asked by: username_0 on 2024-09-05)

I have created several transaction on Nami but I have not been able to successfully process a transaction using the CLI.
cardano-cli conway transaction build 
--testnet-magic 1 
--tx-in $tx_in 
--tx-out $receiver+1000000 
--change-address $sender 
--out-file simple-tx.draft

Here is the error.
Size mismatch when decoding Record RecD.\nExpected 31, but found 30.
Here is the current cardano-node and cardano cli version
cardano-cli 8.20.3.0
cardano-node 8.9.0

I am using Demeter.
Here is the course I am following
https://www.andamio.io/course/ppbl2024/102/lesson/2
Does anyone know how I can overcome this error? I don't want to just move on from this lesson as it's things like this where you learn the most.

**Tags:** transaction, testnet

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## 1 answers

### Answer by username_1 on 2024-09-05. Score: 1

Update to 9! 8.12 shouldn't be used anymore.


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