Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dabadf27055b7f4db425d4f95ccfa48868a901dfeec5ba36f8e4dca41cb655ba:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^