Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6adfa62a1594d1b9f96620c72bfbf301988ef4b816c96b7c9b8d95722db5bac1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^