Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b4fb568b7b4c74d2b3e60939d37c1b99179b109557bd73bb6efb4f57984b0020:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^