Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1c7ba945b580d5dafe176855f50febf597a0d39a0c85f43f42ac5538d7c4a591:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^