Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 55929d84e97beeb2da9864e033fe193a80876220d27b2d0dbb73c12c01c75be1:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^