Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 32bc90e0a651f505ae46373f845dd08d5c36704342ea94aa0298037b9480a99f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^