Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3e1ec12e30eead3b7ecf5776f9274e4a6be39fde19b397fe0bcbf1266e38209b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^