Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2570831bd2031016a6ce18792e09cb5a8333f5614c7317309fc6cd309ceb3fd5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^