Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1ffffedc9894d5f71b373abc469fde7f50bab83f5271fe62d1948bf32a14bd52:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^