Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6d4a8aa964d036216a9a29c6926992dc7dc9bdf6d54e5ea97745b56eb986d71e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^