Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bc94d382d19c568eea16eb744f517efe8073378d73ac4ee9f3bd3f270612a62a:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^