Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ef1dff75b5fddc068c78c248fb523d5796f0954c8cd539409f8471466ae69973:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^