Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3b61d76d107c6bbce954c2cd3bb4a858e5363cd18ab736ab055a780b7439aeaa:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^