Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 66cf79b267805de2fd3bd8b9e4546c265166af60dabc1a71cf8e1c0a529655bb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^