Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b7e4d22251cafde9912cdce588b1d6579b3053751297ecb084bb733be4e6dd78:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^