Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 77653bd468efdca87e8eccfefdaabbaefb1a8eb70cb3545b6d7f7a761e685eca:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^