Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ec44d0d812eb5cc5385666f7e239a0215d64e8b0fe9c361ed4c1c9cf03c5f644:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^