Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 90aae91c728bad67c195068e2d2ec5687221bc9d3cf28fff4fda99c6d3148af0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^