Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e729c61c5cddfa7545ae3b9ed266dcd6c0418570fcddcdc95cc9d948880b67ea:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^