Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2818c1823716c9d5e9174f62991af956b20cbff1ebdde4ce3d3c5c7cabff4853:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^