Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d21facf6244c5de92ef25abbc79c4072c7db52e0f5b0aad682ddd28074a8bf66:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^