Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 971110fe2cc684804d37f958f5ece4c5a26ef1d6a67e002eb7ade1decfda45bd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^