Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 42eb3059fd2f52add161ca3b41d2bb8da7e709a24c03475c20e01f50dceece9b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^