Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 943977da74d523056cf0d3c25a6dc0b21054feb3a780a1021a17c8fe9e5c243e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^