Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> be5aee1df1d2cbd0a23dee15efe0ae265a17f354672319148e4c6fe1aff5e5f2:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^