Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c837f5571ac32739c185c0f95f8f82d78312e1789eb14c811afa437264500618:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^