Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6a8aa8ef9c26825872adb425dd39df1072a4ec214d19a9ad0d1642c63f84d3d0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^