Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1971c73966060604cbb4ecce1410a6814c7b5e253c2f2db2348be10a8a6309d0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^