Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a60bea958e973f6ad032df76f6376d6f7338f247eacebc24d15a6cf1122afb83:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^