Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9b227c5ad65dea2abacb67e67c2206cc45b5d68d8264426bbc30c1a007cfafb8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^