Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f4ed219a9ad75167e8288fc8cc2c6d2b5b635f8071b03a3fe1be660de9bad53f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^