Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 78b7add6852475e6f5e007cc334fc2cf3b110a14d22ed1ce2a9f9863ba759258:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^