Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4ea8eed7551b9e367a0987f43bc474ff9cc13ce2280e6b8cce34a11892b1a69b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^