Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a80577e9b69bc835408f3dccad54f1ea292989905d5b25201117db4974a8c102:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^