Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ad6118feef24bfed652c0bcf9b49bdbb2263e326ae9cf2cc5437d88cda02cce9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^