Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bb24b2bfd21ab7954a758f9b8d1c64e4ce6dcdb57d4ca125410a3dc313d3bc5f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^