Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dea3a5e2385b1583e0cd41252f462f5859b32ddecbbe298abc36af90f0cd5ecd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^