Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2aa38eeec309596187242bf1fce1eafbb4809556a8f6e9a9335f81c972d2f055:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^