Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b1b61be18deeeede89c6887130d952c8d44bbd83a714b3415ff4d181c26a4ba7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^