Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 206ab072351d531b1dc9e3f3a9f43431684c328a258fabe152ac0dfbaa8fb58a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^