Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4e4656900cf1cea361fe2a63843aa8b992c964b75ceeda2ba0107130e9267c2c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^