Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 19da983a0a7f629b94da3e4267dd8f47e611ae4773364f135c079f26bc0a7f7e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^