Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b70356f4568f612350457bd0fb4a658fe5174da5d5a6a3aa6e03cc08e40133d8:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^