Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8f74e2350145bd95ae9f2095779e0ed08b8d8d5f69cfdc199583e9bf5233fc04:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^