Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a2bd559e4535b0ddc172111928b66de04c08599b29e5d24aad2b4c9adad55d9b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^