Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4541815273d7be64090c2774e9be2544d5168caa18e0c81dfa5c77fa7290bce1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^