Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9f405669b497564e97f1d7fb9c81bd13fd63ab5db9e61cbdc62be3dfda71f78e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^