Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6c3351eaf42a29cd84cbdac979f85dbc21e36021f3ba09daefbb832aedf9f9cf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^