Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7e45ec484f57a26707fcc019c0e3a09ea6e713cf9fadfecf491e155bcbd50f14:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^