Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 84621d94f341c995e898d08b45208baa320218e80d042e5f5df8623674cc12d9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^