Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 63da9d1e657c79871f85f27549ca9b9460a2e010a00f7cf569372a2b6e22b4b7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^