Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a4c6bedf20c8e4c0b64b8e65a8a51661bec393d0855ea12172737ce20b7d0385:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^