Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4208cccb1066f7f5ed4056e78eaa97f743380972b0b16a350a09174754f0d0b0:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^