Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 91bc1e4a84a7806917837f6944f545cacec73711bd894db7b22ab6c8c11eaeb4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^