Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f630d609c2762ce1062a3c01253411e46b7c0c9e21a4ceba992be37563cd4d6f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^