Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 13a2df52b846d0da637c2ea9a7453f9789be6bf8e22f6ad84c2c6361d09985aa:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^