Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3ec92383259a433584d7930d82b8660d66aba49c66324dd4db107885aae85900:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^