Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0ba586d56d39648da8ff7cb5ad0a642f43e749d4c2ba20366962255491130a39:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^