Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d92f60d19563c6dd688ef1c16a323783316d8a83ebf298cff44361a788d7745c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^