Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 86f5ffa0ebf94c32818a27daedc64a74fde3f85630ab680f3180fc942efbef5f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^