Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c90fe10550531d42dee7d63ebf36003b9da9db2e18d4291ea71b56e1325c39b2:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^