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Facing an unexpected technical glitch in the DeFi ecosystem can be quite annoying for even experienced traders. Identifying the root cause in gateway is the first essential step toward restoring normal operations. Many users found success by simply adjusting the slippage tolerance to fix 400 in their settings. The execution failure error 400 might be a result of the high volatility affecting gas prices.
Increasing the gas limit for gateway often helps to overcome the internal 400 exception. The decentralized nature of these projects means that community forums are the best place for help. Sometimes the network’s consensus mechanism can cause temporary delays in transaction finality. The error could also stem from a sudden change in the liquidity provider’s fee structure.
A mismatch between the token decimals can lead to significant errors in the calculated amounts. The crypto community is built on sharing knowledge, so don’t hesitate to ask for help.