Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1fff98998eadff2cf2c556fd1136e46b0565aeb6b62783dd4d38c8f5f50bfe68:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^