Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4951cd0a3a7157b916545182d68eb46ebcc1519facd40cca535db15fe3e2a99d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^