Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 78b25f868d92ec86ea86d384d5d8d42f9bf7b48bab33dff95fc88c952cda74a1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^