Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3b353eba19febd2047db039e7f9ded172f9b991da0e1fb866aa96e4a019dbaaf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^