Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b73fd5b2d867a1582c038f04b6de790bf63646bf137631b4786d4a8a80dcf77c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^