Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a039565bb87004339a747514d1fde9bb7a6ac49f5e3cd641fb6fce85b98ef74c:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^