Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4fed5a8a999a29d973895c9173d8fa09fbba7575e91e490feba39a8d688fadcf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^