Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> da94828ebae2de9d6fac4da85699fea246e56eb96e7904f4fa21155201991dfb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^