Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> febe733715014549455cb35ce0aa777a2356837eaf4fbabe2d3bc0089cfda1f0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^