Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c9318b28b1f010a6e407476b90fa3c54346db9096434b93989442f5d4f4ba801:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^