Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5ce497f014230644d2977423b2854b82c4f1ae8de330a03d147a5984ea72806b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^