Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e39f51179f3973c04b1c1bf8a385f9d124b83555b4bfa07ad0e6b7f7c2d8bea5:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^