Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> be3249f5b50077d82d9bf8312ddc9a657f325caf493c3fed4bdf39ae38ef44ca:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^