Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 67b07832d4a3e2bb1538e19c7ca1242bf8b2f6963a8e34c13799d9444626e983:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^