Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ca76a0b52b6585098f1ead95e7b9128223ea644a65c20c83a86f41da36c398f7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^