Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ddcf8819de97d9e1a53ae61f82aa3b4cbe70741d50576828c020a0a89f03c025:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^