Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c2a5e48d5fb718813c6608aa49b3f54a8c0523dd93f70691b184d45053a5947e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^