Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 904d10982242d9be784b8a0613e6994f6419c312f95b6c6c6d6661b9f4e4aa3c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^