Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f6e2a8f668b9d9babed85fba97e28d55584adde30d50a3f48dde399a8225b0f9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^