Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a2aaf5996572bea8e59e27220f8d8f1326e6766118a7b8b9989f031a0c66c4bb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^