Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a69064a1670a3e05b3e6dc1d767ca66897f7779e6110b86bb595b799a72b3eb9:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^