Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 69cf69df49c56830d511509c7d460a91c6f92fe3ca8f471725131e00f328b79a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^