Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 079ab6e6a5ca997d744f45eb60fd6a3c8dcd620f75ab80be1ba4abea7f7d60cd:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^