Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 56cf6007794f2cd910f04db31a4be7d7478f3d01c884f3fa0cea590d83c89959:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^