Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 55c4f83af3ded36bb738466b29cbe15c8860c8c587ba15aa1ab5cd8ce56bfda8:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^