The pairs contract does not have a deal but the profit is shown

[sbrfarhadi]

I saw a profit several times
But the wrong transaction was made
I checked the pair of contracts to see if the pool has a deal
But I saw that many hours had passed since their last deal

Please help me why this profit has been shown but transaction Fail while no transaction was made in the pairs contract

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if (netProfit < config.minimumProfit) {
        return;
      }

      log.info(`Calling flash arbitrage ${pair.symbols}, res profit ${ethers.utils.formatEther(res.profit)} *+* net profit: ${netProfit}`);
      try {
        // lock to prevent tx nonce overlap
        await lock.acquire('flash-bot', async () => {

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and console log:

2021-06-13 08:52:53 debug: res Profit LINK-WBNB: 0.226815865945103848 **** net profit: 75.86014960343351
2021-06-13 08:52:53 info: Calling flash arbitrage LINK-WBNB, res profit 0.226815865945103848 *+* net profit: 75.86014960343351
network block skew detected; skipping block events