Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 36749a8904dc5253f69a6e6393aba9609d481aba451f7f35ec7bf85f7fc1a08f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^