Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 77156fce5985f2bff3e662122d15e92e307fe4f551323369d45db4f1344cfbfd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^