Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 699a9cb3bd111f6a7cc80bce170e46f7c6d54942124aa7ab828dfe374888cdb7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^