Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e79654c12f56c2efbbddaf6634c73fb034b29a664887b9ed7ba2a6e3c11cfca5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^