Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 31fcf2f090cd5a76b1c02e3e2ccfa771b6ade0e51b7e9645d0987e535446939b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^