Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 73dae309dd2d5c775384c2b9d0eb96db3b5d793119f243ada3dc6cc8a4a2bcd8:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^