Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b016d85464375ce843839f2d6a49cfaaf33d2098f0821b6fe14fa7be1bc735ab:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^