Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cb141f19ea78a2113012ca1504af313950376fa36f0a9d5a30fcd30a210df75d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^