Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 87160bf6036d4bdacb74206879fa8310c1f79420f7f89e9c5ab689cfa5ffd905:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^