Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 80f632d70266193743146a1e048965692e062c1339f1894fbb8121908b60f9a0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^