Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3f18fceb5c828997e49657884408c8a2a4a381d5fe1ae1bb8a6a5f22ed806026:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^