Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 75e3ae2bc070fd1538df20ebdd54e862c27d70b98363e9fd97f1600b11bd31b7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^