Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4578a1515d59f271fa28c5cfaca905534efc1660d52c5dfa5b30c6c9bb537200:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^