Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 20d7f0f797f9fa56e87dbbfee251ac1d40e05c6ff2a997ad23264244ba56ee85:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^