Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ac5ab831149b5e785c801d3f821882f9711c4aa550dae1b87f9204ddafcdc02a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^