Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c9647271efc9270b5de1b3abb9dc8036a77c4ac4b6ca3b31613a008564ae0abc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^