← Back to Fix archive
Transaction Problems
How to Read Crypto Transaction Error Messages
A plain-language guide to common transaction errors such as revert, out of gas, nonce, slippage, and liquidity errors.
Quick answer
What this usually means
Transaction errors are clues. They usually point to gas, nonce, contract rules, slippage, liquidity, permissions, or network mismatch.
Common causes
Why it happens
- The smart contract rejected the transaction.
- The gas limit or fee was not enough.
- The transaction used the wrong nonce.
- The DEX route failed due to price movement.
- The wallet was connected to the wrong network.
Fix path
What to check first
- Identify the exact error phrase.
- Check whether the transaction failed or never submitted.
- Match the error to gas, nonce, slippage, liquidity, or contract rules.
- Avoid repeated signing until you understand the cause.
- Use official docs or trusted explainers for the specific error.
Safety note
Do not make the problem worse
- Error messages do not require seed phrase recovery.
- Be careful with support accounts asking for screenshots of sensitive data.
- A failed transaction can still consume gas.