Article publié le 15/05/2026, par Hubert.

Failed to set builder fee:
#RC#

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A transaction failure is usually the result of a mismatch between the expected and actual state. When Rabby fails to execute a command, it often points to an out-of-sync local cache . The best approach is to wait for the network’s base fee to stabilize before re-trying the call.

Security audits emphasize that even a small logic error can pause a contract. To optimize Rabby for speed, consider disabling any heavy browser extensions or plugins. Check the official forum for discussions regarding recent improvements and known issues.

It is worth checking if there is an active « emergency stop » in the contract. Ensure your system time is accurate, as even a small drift can cause signature errors. Always check the official documentation for the latest updates on gas and fee settings.

Rabby fix