Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2b1fe939c9915b3b201f3e22b217d2349be77a077d1bbf8e3a8e960e6f40c952:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^