Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 87074fe7e0ae6ffddfa4b73b5028cb247f0667e8302814495b5f5db4d8ba0038:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^