Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7ab8fe12fa36912e26af2c0354ba09ae12db093bfef5894e4f851aa1cbaf64f9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^