Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> be83b7d9f0cc4b35b725eba8dce1d6405a611ca95404976b28a55e09a2304ab2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^