Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2f7caacbc6a1d52d295dcce893c954f7c9025acf3dde6adafd9c9a59818fe3ba:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^