Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 018f4a3bb662f7102c52220baa281b96dd2f1de1c8bb7e6724ad66a5c02560dc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^