Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 67ff3cc041ce7d3b3e5cb2e734b16cd71aa4e1539c37985636c6c902007256cc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^