Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0a12c01f33aa7b36d239b1374b17bd94c13886d35e90ff36ef9e0d401075d8b4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^