Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cafa555ca959d77c4758bb078481cf0047eb60c1ccba55328b4d69283779f0cf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^