Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a31574cdc5c7a1373973f20fa140e382150f742e4ecf3e90888859cedc6f776d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^