Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b413cf3c44767986a88b562b25fc3a16ebd1b615960c98ddad0ff3f57d5e7dbd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^