Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 80f3e40f0ce5464256e20ef8eba166af75522e4d2d33c6795e1d7becd6b8fc87:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^