Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d2d62be73eef6b185558160fb7b850327539a6a8e9f2d9f02090ebb618f86a7a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^