Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c1ffd764bd90b74b1dcb791b554a92c42a623d1df345c0a1b7f15b9153232f3b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^