Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6879aece4ff9c1a49ad36fd45112020e1cb20c504c680d31b26c0bbf778a0d55:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^