Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> be0accab4e51510907283f6e0d7ec12ba40b1557a1c26d5f9be0d66e5fc8f78d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^