Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 68afc55a4181eb6bdb595098694ae4a98f462ce50f231af85dfd2707efc6fbdf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^