Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 854afc0cad0e21b3fcf361a64b11cf07a29984b59f9021caa2d8212c0906a0ab:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^