Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> da3f3ce58469d9f5da5bec646711064ab364f248a935cc0f6f908aa8203952ec:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^