Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dc7f2dea27143f304ef6fa64a058c19e82dd976a7cca4f11a28d8b312606a3bf:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^