Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2998877e105854b0872bc1dddf52e737253aa211ae062d0a9cebd3a3f51ae7cf:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^