Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 211afcd53faaec41b94df86940796fa2980359d22c3ae47a2404c3f7ff1a05cc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^