Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a3534fb92fd832b5f837352aecd2396706946628c1d7e0afcd2eecbeabab5e8f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^