Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 80d14a8d78352b6a0e2102fe56fcaf855e98e62548f3fcb0a40cc31a183106ce:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^