Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 20ae34350856fc4cc1df45fdd866de40e5b1653b23b97989c6a1cdcd22e3c8c6:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^