Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 311a78ef8b8a6e3e709dcdabc8c45cd121bd63e13ecdabc1760aea91d5875835:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^