Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5b8a4465acddad1e1080f65328bd8f7db394c61b31b8eb1562580d7a3b36f4bd:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^