Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f439065047bd82d71e9a72c1a6654f9b54abe3b6f71022e28ad4a5bdbdf4f189:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^