Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5a352352b8f12bd83ffab6c35c28c17f08fed1f8fb9f139868d088038ae05f90:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^