Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 71bcb442897edfec0ae96aa7e3e906e7d0a218c5a1e1337dcd8787af69448e2f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^