Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 111f01aa291962c81230c1beb9c0e9f41197157d0e5f8580da2dc3f6eb9b6b74:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^