Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 61cff5c8d600b2e629f54e36c0a9a72902f27570a7acd50a11f0e9c6669d194c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^