Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a1e1770f178cf89857189955954b0a73298b6678f105e9face0cd74c4d578a55:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^