Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4db990284eb4aedf533d48888214378d7e05e5f3a5478768641841398d8ed87d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^