Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2dff19d5f65929838af19b70cc9c3ae4be2abd28fac7f22a25b077606b0fae60:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^