Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5a40335e4965f50dc8ce6f5349951f91da88defe849cadb1cb79e9befbbcf0a0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^